ETYM Old Eng. shour, schour, as. seur.
1. A brief period of precipitation; SYN. rain shower.
2. A sudden downpour (as of tears or sparks etc) likened to a rain shower.
3. A plumbing fixture that sprays water.
4. Washing oneself in a shower, under water sprayed from a nozzle; SYN. shower bath.
5. A party of friends assembled to present gifts (usually of a specified kind) to a person.