To whip or scourge.
Of a spermatozoon, to move its tail back and forth.
Resembling a whip.
Having flagella.
Any organism that has flagella.
To lash as if with a whip.
To jerk back and forth; to buffet.
The lash of a whip.
An injury to the upper spine connected to a violent jerk of the head in either a backward or forward or side to side direction, resembling the motion of a whip.
An abrupt and unexpected change, or the resulting feeling of shock.