adj. & n.
adj. 1 threefold, triple; made up of three parts. 2 Astrol. denoting the aspect of two heavenly bodies 120ø (one-third of the zodiac) apart.
n. Astrol. a trine aspect. trinal adj.
[ ME f. OF trin trine f. L trinus threefold f. tres three ]
adj. & n.
adj. 1 threefold, triple; made up of three parts. 2 Astrol. denoting the aspect of two heavenly bodies 120ø (one-third of the zodiac) apart.
n. Astrol. a trine aspect. trinal adj.
[ ME f. OF trin trine f. L trinus threefold f. tres three ]
Concise Oxford English dictionary. Краткий оксфордский словарь английского языка. 2012