beat (1 intr. use peculiar to S.; cf. BATE vb.1）
1.
to flap the
wings with force Shr. IV. i.
199.
2.
to think or ponder
laboriously Tp. V. i. 246,
Ham. III. i. 183
“Whereon his brains
still beating”
; said of the thoughts
Tp. I. ii. 176
“still 'tis beating in
my mind,”
Lr. III. iv. 14.
