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

trinity \trin"ity\, n. oe. trinitee, f. trinit'e, l.
   trinitas, fr. trini three each. see trinal.
   1. christian theol. the union of three persons the father,
      the son, and the holy ghost in one godhead, so that all
      the three are one god as to substance, but three persons
      as to individuality.
      1913 webster

   2. any union of three in one; three units treated as one; a
      triad, as the hindu trinity, or trimurti.
      1913 webster

   3. any symbol of the trinity employed in christian art,
      especially the triangle.
      1913 webster

   trinity house, an institution in london for promoting
      commerce and navigation, by licensing pilots, ordering and
      erecting beacons, and the like.

   trinity sunday, the sunday next after whitsunday; -- so
      called from the feast held on that day in honor of the
      holy trinity.

   trinity term. law see the note under term, n., 5.
      1913 webster
see also:
trinal trinity house trinity sunday trinity term term 

[2] : WordNet (r) 2.0

trinity sunday
     n : eighth sunday after easter

Trinity Sunday >> T Words
Trinity Sunday, definition of term: Trinity Sunday
trinity+sunday_pag1.html

Trinity >> T Words
Trinity, definition of term: Trinity
trinity_pag1.html

Sunday >> S Words
Sunday, definition of term: Sunday
sunday_pag1.html

Passion Sunday >> P Words
Passion Sunday, definition of term: Passion Sunday
passion+sunday_pag1.html

Low Sunday >> L Words
Low Sunday, definition of term: Low Sunday
low+sunday_pag1.html

Palm Sunday >> P Words
Palm Sunday, definition of term: Palm Sunday
palm+sunday_pag1.html

Holy Trinity >> H Words
Holy Trinity, definition of term: Holy Trinity
holy+trinity_pag1.html