[1] : The Collaborative International Dictionary of English v.0.48

contact \con"tact\ ko^n"ta^kt, n. l. contactus, fr.
   contingere, -tactum, to touch on all sides. see
   contingent.
   1. a close union or junction of bodies; a touching or
      meeting.
      1913 webster

   2. geom. the property of two curves, or surfaces, which
      meet, and at the point of meeting have a common direction.
      1913 webster

   3. mining the plane between two adjacent bodies of
      dissimilar rock. --raymond.
      1913 webster

   4. electricity a metallic conducting component of an
      electrical device connected to a circuit within and so
      situated that it may form a conducting pathway to an
      external power source or device when contacted by another
      conductor; as, the contact on a standard light bulb has
      the shape of a screw for easy insertion into the socket.
      pjc

   5. a person who serves to commmunicate information to or from
      one group to another, whether formally or informally; as,
      a good washington reporter has contacts in the white
      house.
      pjc

   contact level, a delicate level so pivoted as to tilt when
      two parts of a measuring apparatus come into contact with
      each other; -- used in precise determinations of lengths
      and in the accurate graduation of instruments.
      1913 webster
see also:
contingent contact level 

[2] : WordNet (r) 2.0

contact
     n 1: close interaction; "they kept in daily contact"; "they
          claimed that they had been in contact with
          extraterrestrial beings"
     2: the state or condition of touching or of being in immediate
        proximity; "litmus paper turns red on contact with an
        acid"
     3: the act of touching physically; "her fingers came in contact
        with the light switch"
     4: the physical coming together of two or more things; "contact
        with the pier scraped paint from the hull" syn: impinging,
         striking
     5: a person who is in a position to give you special
        assistance; "he used his business contacts to get an
        introduction to the governor" syn: middleman
     6: a channel for communication between groups; "he provided a
        liaison with the guerrillas" syn: liaison, link, inter-group
        communication
     7: electronics a junction where things as two electrical
        conductors touch or are in physical contact; "they forget
        to solder the contacts" syn: tangency
     8: a communicative interaction; "the pilot made contact with
        the base"; "he got in touch with his colleagues" syn: touch
     9: a thin curved glass or plastic lens designed to fit over the
        cornea in order to correct vision or to deliver medication
        syn: contact lens
     v 1: be in or establish communication with; "our advertisements
          reach millions"; "he never contacted his children after
          he emigrated to australia" syn: reach, get through,
           get hold of
     2: be in direct physical contact with; make contact; "the two
        buildings touch"; "their hands touched"; "the wire must
        not contact the metal cover"; "the surfaces contact at
        this point" syn: touch, adjoin, meet
see also:
impinging striking middleman liaison link inter-group communication 
tangency touch contact lens reach get through 
get hold of adjoin meet 

[3] : Moby Thesaurus II by Grady Ward, 1.0

153 moby thesaurus words for "contact":
   esp, accord, acquaintance, answer, approach, arbitrator,
   assail the ear, association, attouchement, be heard, breath,
   broker, brush, brush by, caress, caress the ear, closeness,
   come in contact, commerce, communicate with, communication,
   communion, companionship, concord, congress, conjunction,
   connection, contiguity, contingence, conversation, converse,
   correspond, correspond with, correspondence, cutaneous sense,
   dealing, dealings, empathy, establish connection, exchange, feel,
   feeling, fellowship, fingertip caress, flick, friend,
   gain a hearing, get, get across, get hold of, get through to,
   get to, glance, go-between, graze, hand-mindedness, harmony, hit,
   impinge, impingement, impingence, in, information, interaction,
   interagent, interchange, intercommunication, intercommunion,
   intercourse, intermediary, intermediate, intermedium, internuncio,
   interplay, interpleader, interrogate, junction, kiss, lambency,
   lap, lick, light touch, linguistic intercourse,
   maintain connection, make advances, make an impression,
   make contact with, make oneself heard, make overtures, make up to,
   mediator, medium, message, middleman, nearness, negotiant,
   negotiator, nudge, oneness, osculate, osculation, phone,
   propinquity, proximity, question, raise, rapport, reach,
   reach the ear, register, relate to, relation, reply, reply to,
   respond to, response, ring up, rub, scrape, sense of touch, shave,
   sideswipe, skim, skirt, social intercourse, speak to, speak with,
   speaking, speech, speech circuit, speech situation, squeak by,
   stroke, sympathy, tactile sense, taction, talking, tangency, tap,
   telepathy, telephone, tentative contact, tentative poke, touch,
   touching, traffic, truck, two-way communication, understanding,
   union, unity, whisper, write to

Contact >> C Words
Contact, definition of term: Contact
contact_pag1.html

Contact Lense >> C Words
Contact Lense, definition of term: Contact Lense
contact+lense_pag1.html

Contact Lens >> C Words
Contact Lens, definition of term: Contact Lens
contact+lens_pag1.html

Contact Dermati >> C Words
Contact Dermati, definition of term: Contact Dermati
contact+dermati_pag1.html

In Contact >> I Words
In Contact, definition of term: In Contact
in+contact_pag1.html

Eye Contact >> E Words
Eye Contact, definition of term: Eye Contact
eye+contact_pag1.html