1. (Bot.)

Defn: Doubly serrate, or having the serratures serrate, as in some leaves.

2. (Zoöl.)

Defn: Serrate on both sides, as some antennæ.

BISETOSE; BISETOUS
Bi*se"tose, Bi*se"tous, a. Etym: [Pref. bi- + setose, setous.]

Defn: Having two bristles.

BISEXOUS
Bi*sex"ous, a. Etym: [L. bis twice + sexus sex: cf. F. bissexe.]

Defn: Bisexual. [Obs.] Sir T. Browne.

BISEXUAL
Bi*sex"u*al, a. Etym: [Pref. bi- + sexual.] (Biol.)

Defn: Of both sexes; hermaphrodite; as a flower with stamens and pistil, or an animal having ovaries and testes.