(music, historical, US) A group of self-taught composers active in New England from 1770 until about 1810; the Yankee tunesmiths collectively.

(idiomatic, US) To take hasty, immediate action with serious consequences, without first adequately investigating the situation. / (idiomatic, US) To act boldly.

(Canada, Navy) A warrant officer in the Canadian Forces Maritime Command, ranking above chief petty officer second class.

plural of chief petty officer first class

plural of perpetual motion machine of the first kind

(physics, pseudoscience) A perpetual motion machine that produces work without the input of energy.

present participle of shoot first and ask questions later

Third-person singular simple present indicative form of shoot first and ask questions later

simple past tense and past participle of shoot first and ask questions later

Alternative form of let him who is without sin cast the first stone