nurse1
  
  n.
   - a person trained to care for the sick or infirm. 
▸dated a person employed or trained to take charge of young children.
 - Entomology  a worker bee or other social insect that cares for a young brood.
 - Forestry  a tree or crop planted as a shelter to others.
 
v.
     - give medical and other attention to. 
▸work as a nurse.
 - feed or be fed at the breast.
 - treat or hold carefully or protectively. 
▸hold (a drink), sipping it occasionally.
 - harbour (a belief or feeling) for a long time.
 - Billiards  & Snooker  try to play strokes which keep (the balls) close together.
 
 
  Derivative
  
  Etymology
  ME: contr. of earlier nourice, from OFr., from late L. nutricia, fem. of L. nutricius ‘(person) that nourishes’, from nutrix, nutric- ‘nurse’, from nutrire ‘nourish’.
 
  
    
nurse2
  
  n.
 a greyish Australian shark of shallow inshore waters. 
[
Odontaspis arenarius.]
 
  Etymology
  C15: orig. as nusse, perh. derived (by wrong division) from an huss (see huss).