A valve with a disk-shaped mechanism which can be used for isolating or regulating flow.

plural of butterfly kiss

Fluttering one's eyelashes against someone's skin. / A very light kiss.

A large American butterfly (Papilio troilus). It is black, with yellow marginal spots on the front wings, and blue on the rear.

plural of butterfly valve

(computing) A kind of computer keyboard consisting of two separate halves, intended to facilitate typing with two hands.

plural of butterfly keyboard

plural of butterfly child

A child who has epidermolysis bullosa.

plural of butterfly door