noun

• (nautical) A line (rope) used to adjust the trim of a sail.
  "To be "three sheets to the wind" is to say that a four-cornered sail is tethered only by one sheet and thus the sail is useless."
• (nautical, nonstandard) A sail.
  "Their folded Sheets dismiss the useless Air"
• (curling) The area of ice on which the game of curling is played.
• (nonstandard) A layer of veneer.

verb

• (transitive) To cover or wrap with cloth, or paper, or other similar material.
  "Remember to sheet the floor before you start painting."
• (transitive) To form into sheets.
• (intransitive, of rain, or other precipitation) To pour heavily.
  "We couldn't go out because the rain was sheeting down all day long."
• (nautical) To trim a sail using a sheet.

noun

• (euphemistic, slang) Euphemistic form of shit.
  "This sheet is disgusting!"