- a hollow object used to contain something；an electrical socket.
noun: receptacle, plural noun: receptacles
- 1. a hollow object used to contain something fast-food receptacles
- 2. North American an electrical socket.
- 3. an organ or structure which receives a secretion, eggs, sperm, etc.
- 4. an enlarged area at the apex of a stem on which the parts of a flower or the florets of a flower head are inserted.
- ▪ a structure supporting the sexual organs in some algae, mosses, and liverworts.