Trin"i*ty (?), n. [OE.
trinitee, F. trinité, 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.
2.
Any union of three in one; three units treated as one; a triad, as the
Hindu trinity, or Trimurti.
3. Any symbol of the
Trinity employed in Christian art, especially the triangle.
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.