LEAK

I. verb Etymology: Middle English leken, liken, from or akin to Middle Dutch leken; akin to Old English hlec ~y, Old High German zelehhan, Old Norse leka to ~ and probably to Old English leccan to moisten, Middle Irish legaid it melts Date: 14th century intransitive verb 1. to enter or escape through an opening usually by a fault or mistake , to let a substance or light in or out through an opening, 2. to become known despite efforts at concealment , to be the source of an information ~, transitive verb to permit to enter or escape through or as if through a ~, to give out (information) surreptitiously , ~er noun II. noun Date: 15th century 1. a crack or hole that usually by mistake admits or lets escape, something that permits the admission or escape of something else usually with prejudicial effect, the act, process, or an instance of ~ing, an act of urinating, ~proof adjective