Any of the bats of the family Noctilionidae, sole extant genus Noctilio.

A kind of boat that can be collapsed for greater portability. / (graphical user interface) A display element that can be collapsed to hide it from view.

(vulgar, derogatory) A stupid or otherwise undesirable person

(phonetics) To articulate as a laryngeal sound, to produce (a sound) through or with action of the larynx. / (phonetics) To modify (a pronunciation or a sound) by constricting the larynx.