BEAT v.
o give the signal for, by beat of drum; to sound by beat of drum; as, to beat an alarm, a charge, a parley, a retreat; to beat the general, the reveille, the tattoo. See Alarm, Charge, Parley, etc. To beat down, to haggle with (any one) to secure a lower price; to force down. [Colloq.] -- To beat into, to teach or inst…
BETA RAYS n.
electric field, emitted by radioactive substances, as radium. They consist of negatively charged particles or electrons, apparently the same in kind as those of the cathode rays, but having much higher velocities (about 35,000 to 180,000 miles per second).
BLACKGUARD n.
court, or of a nobleman's household, who, in a removal from one residence to another, had charge of the kitchen utensils, and being smutted by them, were jocularly called the "black guard"; also, the servants and hangers-on of an army. [Obs.] A lousy slave, that . . . rode with the black guard in the duke's carriage, '…
BLIND a.
ead nettle. See Dead nettle, under Dead. -- Blind shell (Gunnery), a shell containing no charge, or one that does not explode. -- Blind side, the side which is most easily assailed; a weak or unguarded side; the side on which one is least able or disposed to see danger. Swift. -- Blind snake (Zoöl.), a small, harmle…