mid-13c., "a carrying of oneself, deportment," verbal noun from bear (v.). The meaning "direction or point of the compass in which an object is seen or is moving" is from 1630s; to take (one's) bearings is from 1711. The mechanical sense of "part of a machine that 'bears' the friction" is from 1791.

1874, "method of lessening friction by surrounding a shaft with loose balls;" see ball (n.1) + bearing (n.). They "bear" the friction.

also childbearing, "bringing forth of a child, the action of producing children," late 14c., from child + verbal noun of bear (v.). As an adjective from late 14c.

"containing gold," 1727, from Latin aurifer "gold-bearing," from auri-, combining form of aurum "gold" (see aureate) + -fer "producing, bearing" (from PIE root *bher- (1) "to carry").

"water-bearing layer of rock," 1897, from Latin aqui-, combining form of aqua "water" (from PIE root *akwa- "water") + -fer "bearing," from ferre "to bear, carry" (from PIE root *bher- (1) "to carry").

"a plant producing cones, a plant of the order Coniferae" (which includes pine, fir, and cypress trees), 1847, from Latin conifer "cone-bearing, bearing conical fruit," from conus "cone" (see cone) + ferre "to bear, carry" (from PIE root *bher- (1) "to carry").

"personal bearing, carriage, behavior, demeanor," 1590s, from French comportement "bearing, behavior," from comporter (13c.) "to behave," from Latin comportare "to bring together, collect," from com "with, together" (see com-) + portare "to carry" (from PIE root *per- (2) "to lead, pass over")

"bearing a cross," 1650s, from Late Latin crucifer "cross-bearing," from Latin crux (genitive crucis) "stake, cross" (see crux). Originally in literal senses; botanical use (in reference to a symmetrical arrangement of four petals) is from 1851.

"the sponges," as an animal division or class, 1843, Modern Latin, literally "bearing pores," neuter plural of porifer, from Latin porus "pore, opening" (see pore (n.)) + -fer "bearing" (from PIE root *bher- (1) "to carry"). So called for the numerous pores which perforate the body-wall. Related: Poriferal; poriferous.

1776, "existing in the form of interest-bearing bonds," past-participle adjective from fund (v.).