Scu´tum, n.; pl. scuta. See Scutellum.
Sec´ondary Cov´erts. The smaller wing-feathers growing from the forearm and its region, overlying the bases of the secondary quills. (89.)
Sec´ondary Quills or Sec´ondaries. Quills growing upon the forearm.
Seg´ment, n. A portion specially distinguished. The tarsus is a segment of the leg.
Segmenta´tion, n. Division into parts. Particularly applied to a process which takes place in the vitellus or yolk during incubation.
Sel´la Tur´cica, n. A certain part of the sphenoid bone.
Se´men, n. The male fluid, containing spermatozoa.
Semi- (in composition). Half.
Semilu´nar, a. Crescentic.
Semimembrano´sus, n. A certain muscle of the thigh.