Defn: Of or pertaining to the sphenoid bone and the orbit, or to the orbitosphenoid bone. — n.
Defn: The orbitosphenoid bone, which is situated in the orbit on either side of the presphenoid. It generally forms a part of the sphenoid in the adult.
ORBITOSPHENOIDAL
Or`bi*to*sphe*noid"al, a. (Anat.)
Defn: Of or pertaining to the orbitosphenoid bone; orbitosphenoid.
ORBITUARY
Or*bit"u*a*ry, a.
Defn: Orbital. [R.]
ORBITUDE; ORBITY
Or"bi*tude, Or"bi*ty, n. Etym: [L. orbitudo, orbitas, fr. orbus: cf.
F. orbité. See Orbate.]
Defn: Orbation. [Obs.] Bp. Hall.
ORBULINA
Or`bu*li"na, n. Etym: [NL., dim. of L. orbis orb.] (Zoöl.)
Defn: A genus of minute living Foraminifera having a globular shell.