pink2
  
  n.
 a plant with sweet-smelling pink or white flowers and slender grey-green leaves. 
[Genus 
Dianthus.]
 
  Etymology
  C16: perh. short for pink eye, lit. ‘small or half-shut eye’.
 
  
    
pink3
  
  v.
  - cut a scalloped or zigzag edge on.
 - archaic decorate.
 
 
  Etymology
  C16 (in the sense ‘pierce or nick slightly’): cf. Low Ger. pinken ‘strike, peck’.
 
  
    
pink4
  
  v.
 Brit. (of a vehicle engine) make rattling sounds as a result of over-rapid combustion of the fuel–air mixture in the cylinders.
 
  Etymology
  early 20th cent.: imitative.
 
  
    
pink5
  
  n.
 historical a small square-rigged sailing ship with a narrow overhanging stern.
 
  Etymology
  C15: from MDu. pin(c)ke, of unknown ultimate origin.
 
  
    
pink6
  
  n.
 dated a yellowish lake pigment made by combining vegetable colouring matter with a white base.
 
  Etymology
  C17: of unknown origin.