n.
  - the alternate rising and falling of the sea due to the attraction of the moon and sun.
 - a powerful surge of feeling or trend of events:
 a tide of euphoria.
 
v.
  - 
(tide someone over)
 help someone through a difficult period, especially with financial assistance.
 - archaic drift with or as if with the tide. 
▸(of a ship) move in or out of harbour with the help of the tide.
 
 
  Derivative
  
  Etymology
  OE tīd ‘time, period, era’, of Gmc origin; rel. to time.