Lasiurus cinereus, a vespertilionid bat that occurs throughout most of North America and much of South America, with disjunct populations in the Galápagos Islands and Hawaii.

An East Indian fruit bat of the genus Nyctimene (especially Nyctimene cephalotes), with prominent tubular nostrils.

Any of certain species of the bat family Molossidae, usually the genera Eumops, Mops, Promops, or Chaerephon.

plural of bat mitzvah

Synonym of Kitti's hog-nosed bat

A device that helps to identify the presence of bats by converting their echolocation ultrasound signals to audible frequencies.

plural of bat detector

Any of the bats of the genus Hipposideros.

(idiomatic, US) To chat; to shoot the breeze.

(construction) A bat (brick with one whole end) that is exactly half the length of the original brick. / (military) A half of a battalion.