sheet1
  
  n.
    - a large rectangular piece of cotton or other fabric, used on a bed to cover the mattress or as a layer beneath blankets.
- a broad flat piece of metal or glass.
- a rectangular piece of paper. ▸a quantity of text or data on a sheet of paper. ▸Printing  a flat piece of paper as opposed to a reel of continuous paper, the bound pages of a book, or a folded map. ▸a set of unseparated postage stamps. 
- an extensive unbroken surface area of something. ▸a broad moving mass of flames or water. 
v.
  - cover with or wrap in a sheet of cloth.
- (of rain) fall heavily.
Etymology
  OE scēte, scīete, of Gmc origin; rel. to shoot.
 
  
    
sheet2
  
  n.
  - a rope attached to the lower corner of a sail.
- 
(sheets)
 the space at the bow or stern of an open boat.
v.
 
(
sheet something in/out)
 make a sail more or less taut. 
▸
(sheet something home)
 set a sail as flat as possible.
Phrase
  
    
      - two 
(or three)
 sheets to the wind
 informal drunk.
 
  Etymology
  OE scēata ‘lower corner of a sail’, of Gmc origin; rel. to sheet1.