O.
Oared (foot), a. Having the hind toe, as well as the others, full-webbed. See Steganopodous. (140.)
Obcor´date, a. Inversely heart-shaped.
Oblique´, a. Indirect; aslant. Also, name of certain abdominal muscles.
Ob´long, a. Longer than broad.
Obo´vate, a. Inversely ovate.
Obscure´, a. Dark; not evident; little known; faintly marked.
Ob´solete, a. Disused; little used. Also, synonymous with obscure, as obsolete spots; also, synonymous with imperfect or rudimentary: the hind toe of the petrel is obsolete.
Obtura´tor, n. A muscle, membrane, and foramen of the pelvis are respectively so called.
Obtuse´, a. Blunt. Opposed to acute.