(1):
(n.) The act of one who, or that which, sets; as, the setting of type, or of gems; the setting of the sun; the setting (hardening) of moist plaster of Paris; the setting (set) of a current.
(2):
(n.) That in which something, as a gem, is set; as, the gold setting of a jeweled pin.
(3):
(n.) Something set in, or inserted.
(4):
(n.) The act of marking the position of game, as a setter does; also, hunting with a setter.
(5):
(p. pr. & vb. n.) of Set