to stop using or wearing: It had stopped raining, so we left off our coats.
c.
to omit: to leave a name off a list.
18.
leave out, to omit; exclude: She left out an important detail in her account.
Origin: before 900; Middle English leven,Old English lǣfan (causative formation from base of lāf remainder; see lave2); cognate with Old High German leiban (compare German bleiben to remain), Old Norse leifa,Gothic -laibjan
Usage note Leave is interchangeable with let when followed by alone with the sense “to refrain from annoying or interfering with”: Leave (or Let) her alone and she will solve the problem easily. When he was left (or let) alone without interruptions, the boy quickly assembled the apparatus. The use of leave alone for let alone in the sense “not to mention” is nonstandard: There wasn't any standing room, let (not leave) alone a seat, so I missed the performance.EXPAND Other substitutions of leave for let are generally regarded as nonstandard: Let (not Leave) us sit down and talk this over. Let (not Leave) her do it her own way. The police wouldn't let (not leave) us cross the barriers.See also let1.
"permission," O.E. leafe, dat./acc. of leaf "permission," from W.Gmc. *lauba, cognate with O.E. lief "dear," the original idea being "approval resulting from pleasure." See also love, believe. In military sense, it is attested from 1771.