A switch actuated by moving a small lever; usually an on/off switch with two positions. / (graphical user interface) A control resembling such a switch, allowing a setting to be enabled or disabled.

A fastening device consisting of a bolt and a pair of hinged, usually sprung, wings threaded at the hinge to receive the bolt, used by inserting the bolt with wings folded into a small hole in a sheet material to the point where the wings unfold and the bolt can be tightened.

plural of toe-tapper

(music) A piece of music with a prominent beat, to which one feels compelled to tap their toes. / A joke which is found to be pleasingly humorous.

(idiomatic) up to here

Deeply engaged in something, to the point of being overwhelmed.

(archaic, idiomatic) Very close to each other.

sculpin / toadfish / anglerfish / frogfish in the genus Antennarius

(idiomatic) To cause a person alleged to have committed criminal acts to be brought to trial on the offenses.

(idiomatic) An apophasis used to mention another important, usually related, point: not taking into account, not to mention, without considering.