1. in flowering plants, the end of the stalk becoming the flower parts. 2. in ferns, the mass of tissue that becomes the sporangium. 3. in liverworts, the cup containing a gemma. 4. in algae, the swollen tip of a branch carrying the reproductive organs.
A broad term referring to a device which allows access to a power available from the main power source, or panel board. Receptacles come in many configurations for multi voltage and current flow applications. The term receptacle is generally a storage device, where things are put (like trash) and not where things are taken from, but what do I know? Usually configured as duplex devices, with two outlets or places to plug-in per unit, see below.