BALL n.
hin a socket, so as to admit of motion in every direction within certain limits. -- Ball bearings, a mechanical device for lessening the friction of axle bearings by means of small loose metal balls. -- Ball cartridge, a cartridge containing a ball, as distinguished from a blank cartridge, containing only powder. --…
BARREN a.
eog.), a vast tract in British America northward of the forest regions. -- Barren Ground bear (Zoöl.), a peculiar bear, inhabiting the Barren Grounds, now believed to be a variety of the brown bear of Europe. -- Barren Ground caribou (Zoöl.), a small reindeer (Rangifer Groenlandicus) peculiar to the Barren Grounds an…