1. (v.) To cause to move with quick or violent vibrations.
2. (v.) To move rapidly one way and the other; to make to tremble or shiver; to agitate.
3. (v.) Fig.: To move from firmness; to weaken the stability of; to cause to waver; to impair the resolution of.
4. (v.) To give a tremulous tone to; to trill; as, to shake a note in music.
5. (v.) To move or remove by agitating; to throw off by a jolting or vibrating motion; to rid one's self of; -- generally with an adverb, as off, out, etc.; as, to shake fruit down from a tree.
6. (v. i.) To be agitated with a waving or vibratory motion; to tremble; to shiver; to quake; to totter.
7. (n.) The act or result of shaking; a vacillating or wavering motion; a rapid motion one way and other; a trembling, quaking, or shivering; agitation.
8. (n.) A fissure or crack in timber, caused by its being dried too suddenly.
9. (n.) A fissure in rock or earth.
10. (n.) A rapid alternation of a principal tone with another represented on the next degree of the staff above or below it; a trill.
11. (n.) One of the staves of a hogshead or barrel taken apart.
12. (n.) A shook of staves and headings.
13. (n.) The redshank; -- so called from the nodding of its head while on the ground.