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

collar \col"lar\, n. oe. coler, coller, of. colier, f. collier,
   necklace, collar, fr. of. col neck, f. cou, fr. l. collum;
   akin to as. heals, g.  goth. hals. cf. hals, n.
   1. something worn round the neck, whether for use, ornament,
      restraint, or identification; as, the collar of a coat; a
      lady's collar; the collar of a dog.
      1913 webster

   2. arch.
      a a ring or cincture.
      b a collar beam.
          1913 webster

   3. bot. the neck or line of junction between the root of a
      plant and its stem. --gray.
      1913 webster

   4. an ornament worn round the neck by knights, having on it
      devices to designate their rank or order.
      1913 webster

   5. zool.
      a a ringlike part of a mollusk in connection with
          esophagus.
      b a colored ring round the neck of a bird or mammal.
          1913 webster

   6. mech. a ring or round flange upon, surrounding, or
      against an object, and used for restraining motion within
      given limits, or for holding something to its place, or
      for hiding an opening around an object; as, a collar on a
      shaft, used to prevent endwise motion of the shaft; a
      collar surrounding a stovepipe at the place where it
      enters a wall. the flanges of a piston and the gland of a
      stuffing box are sometimes called collars.
      1913 webster

   7. naut. an eye formed in the bight or bend of a shroud or
      stay to go over the masthead; also, a rope to which
      certain parts of rigging, as dead-eyes, are secured.
      1913 webster

   8. mining a curb, or a horizontal timbering, around the
      mouth of a shaft. --raymond.
      1913 webster

   collar beam arch., a horizontal piece of timber
      connecting and tying together two opposite rafters; --
      also, called simply collar.

   collar of brawn, the quantity of brawn bound up in one
      parcel. eng. --johnson.

   collar day, a day of great ceremony at the english court,
      when persons, who are dignitaries of honorary orders, wear
      the collars of those orders.

   to slip the collar, to get free; to disentangle one's self
      from difficulty, labor, or engagement. --spenser.
      1913 webster
see also:
hals collar beam collar collar of brawn collar day to slip the collar 

Collar Beam >> C Words
Collar Beam, definition of term: Collar Beam
collar+beam_pag1.html

Beam >> B Words
Beam, definition of term: Beam
beam_pag1.html

Collar >> C Words
Collar, definition of term: Collar
collar_pag1.html

Collar Cell >> C Words
Collar Cell, definition of term: Collar Cell
collar+cell_pag1.html

Collar Bone >> C Words
Collar Bone, definition of term: Collar Bone
collar+bone_pag1.html

Rood Beam >> R Words
Rood Beam, definition of term: Rood Beam
rood+beam_pag1.html

Particle Beam >> P Words
Particle Beam, definition of term: Particle Beam
particle+beam_pag1.html

Laser Beam >> L Words
Laser Beam, definition of term: Laser Beam
laser+beam_pag1.html