RAMPANT a.
t hind leg should be raised higher than the left. Rampant arch. (a) An arch which has one abutment higher than the other. (b) Same as Rampant vault, below. -- Rampant gardant (Her.), rampant, but with the face turned to the front. -- Rampant regardant, rampant, but looking backward. -- Rampant vault (Arch.), a conti…
REINS n.
ts. Rev. ii. 23. Reins of a vault (Arch.), the parts between the crown andd the spring or abutment, including, and having especial reference to, the loading or filling behind the shell of the vault. The reins are to a vault nearly what the haunches are to an arch, and when a vault gives way by thrusting outward, it is…
RULE n.
etc. See under Board, Caliber, etc. -- Rule joint, a knuckle joint having shoulders that abut when the connected pieces come in line with each other, and thus permit folding in one direction only. -- Rule of three (Arith.), that rule which directs, when three terms are given, how to find a fourth, which shall have th…
SHOULDER n.
An abrupt projection which forms an abutment on an object, or limits motion, etc., as the projection around a tenon at the end of a piece of timber, the part of the top of a type which projects beyond the base of the raised character, etc. Shoulder belt, a belt that passes across the shoulder. -- Shoulder blade (Anat.…
SKEW a.
course of masonry, the stone, or the iron plate, having an inclined face, which forms the abutment for the voussoirs of a segmental arch. (b) A plate, cap, or shoe, having an inclined face to receive the nut of a diagonal brace, rod, or the end of an inclined strut, in a truss or frame. -- Skew bridge. See under Bridg…
SPAN n.
The spread or extent of an arch between its abutments, or of a beam, girder, truss, roof, bridge, or the like, between its supports.