The Collaborative International Dictionary of English v.0.48:
Scare \Scare\, v. t. [imp. & p. p. Scared; p. pr. & vb. n.
Scaring.] [OE. skerren, skeren, Icel. skirra to bar,
prevent, skirrask to shun, shrink from; or fr. OE. skerre,
adj., scared, Icel. skjarr; both perhaps akin to E. sheer to
To frighten; to strike with sudden fear; to alarm.
The noise of thy crossbow
Will scare the herd, and so my shoot is lost. --Shak.
To scare away, to drive away by frightening.
To scare up, to find by search, as if by beating for game.
Syn: To alarm; frighten; startle; affright; terrify.