Definitions of shower:

• noun:   washing yourself in a shower; you stand upright under water sprayed from a nozzle

  Example: "He took a shower after the game"

• noun:   a plumbing fixture that sprays water over you

  Example: "They installed a shower in the bathroom"

• noun:   a sudden downpour (as of tears or sparks etc) likened to a rain shower

  Example: "A little shower of rose petals"

• noun:   a party of friends assembled to present gifts (usually of a specified kind) to a person

  Example: "Her friends organized a baby shower for her when she was expecting"

• noun:   a brief period of precipitation

  Example: "The game was interrupted by a brief shower"

• noun:   someone who organizes an exhibit for others to see
• verb:   rain abundantly

  Example: "Meteors showered down over half of Australia"

• verb:   take a shower; wash one's body in the shower

  Example: "You should shower after vigorous exercise"

• verb:   provide abundantly with

  Example: "He showered her with presents"

• verb:   spray or sprinkle with

  Example: "The guests showered rice on the couple"

• verb:   expend profusely; also used with abstract nouns

  Example: "He was showered with praise"