(nautical) The time taken for a sail to shake or shiver twice as a ship comes into the wind. / (idiomatic) A very short time.

To grasp another person's hands as an expression of greeting, farewell, agreement, etc.

(Ireland) an instance of shaking hands; a handshake

To remove (something attached to, on or clinging to an object) by shaking. / To dissociate oneself from (an allegation or rumour). / To lose someone who is tracking you

Something fast, or easy to use or perform; a simple, crude object or action. / (US, military, slang, historical) A non-commissioned officer with little experience, qualified through a special course.

Crude, unsophisticated; not professionally done, improvised.

An experimental platform that simulates earthquake motion to verify seismic performance of building structures.

(idiomatic, frequently imperative) To get busy; to get going; to be productive.

Alternative spelling of shakeup

(transitive) To agitate by shaking. / (transitive) To restore to its original shape by shaking. / (transitive, informal) To upset or distress (a person).