a. [f. as prec. + -OUS.]
1. (See quots.) rare.
1656. Blount, Glossogr., Trigeminous (trigeminus), threefold, three at a birth.
1658. Phillips, Trigeminous, (Lat.) three brought forth at a birth; also treble, or threefold.
2. Anat. = TRIGEMINAL.
1891. in Cent. Dict.
3. Bot. = trijugate (see TRI- 1).
1900. in B. D. Jackson, Gloss. Bot. Terms.
