SILL n.
foundation of a thing; especially, a horizontal piece, as a timber, which forms the lower member of a frame, or supports a structure; as, the sills of a house, of a bridge, of a loom, and the like. Hence:
SOCIAL a.
relations and institutions which are involved in man's existence and his well- being as a member of an organized community; sociology. It concerns itself with questions of the public health, education, labor, punishment of crime, reformation of criminals, and the like. -- Social whale (Zoöl.), the blackfish. -- The s…
SPIDER n.
A skeleton, or frame, having radiating arms or members, often connected by crosspieces; as, a casting forming the hub and spokes to which the rim of a fly wheel or large gear is bolted; the body of a piston head; a frame for strengthening a core or mold for a casting, etc. Spider ant. (Zoöl.) Same as Solitary ant, unde…
STOP n.
A member, plain or molded, formed of a separate piece and fixed to a jamb, against which a door or window shuts. This takes the place, or answers the purpose, of a rebate. Also, a pin or block to prevent a drawer from sliding too far.