crotchet in WordNet English dictionary

1. a small tool or hooklike implement
   crotchet 
   
2. a strange attitude or habit
   oddity  queerness  quirk  quirkiness  crotchet 
   
3. a musical note having the time value of a quarter of a whole note
   quarter note  crotchet 
   
4. a sharp curve or crook; a shape resembling a hook
   hook  crotchet