SEGMENTAL a.
mental organs. (a) (Anat.) The embryonic excretory organs of vertebrates, consisting primarily of the segmental tubes and segmental ducts. (b) (Zoöl.) The tubular excretory organs, a pair of which often occur in each of several segments in annelids. They serve as renal organs, and often, also, as oviducts and sperm duc…
SERVANT n.
One who serves, or does services, voluntarily or on compulsion; a person who is employed by another for menial offices, or for other labor, and is subject to his command; a person who labors or exerts himself for the benefit of another, his master or employer; a subordinate helper. "A yearly hired servant." Lev. xxv. 5…
SHALL v.
ing; as, you shall go; he shall go; that is, I order or promise your going. It thus ordinarily expresses, in the second and third persons, a command, a threat, or a promise. If the auxillary be emphasized, the command is made more imperative, the promise or that more positive and sure. It is also employed in the langua…
SLATE n.
riting on a slate. -- Slate rocks (Min.), rocks which split into thin laminæ, not necessarily parallel to the stratification; foliated rocks. -- Slate spar (Min.), a variety of calcite of silvery white luster and of a slaty structure. -- Transparent slate, a plate of translucent material, as ground glass, upon which…