A movable crib for an infant.

(chemistry) A chemical engineering process in which hydrotreating is used to reduce the nitrogen content of hydrocarbons during oil refining

(biology) Any of a family of membrane-trafficking proteins characterised by an N-terminal transmembrane region, a variable linker, and two C-terminal C2 domains (C2A and C2B).

(law) Lack of enforcement; failure to enforce.