heeltap
noun
heel·tap ˈhēl-ˌtap 
: a small quantity of alcoholic beverage remaining (as in a glass after drinking)
Word History
First Known Use
1780, in the meaning defined above
- retrogressions
- retrogressive
- retrogressively
- retrohypophyseal
- retroinfection
- retroject
- retrojected
- retrojecting
- retrojection
- retrojections
- retrojects
- retromingent
- retromingently
- retromingents
- retronecine
- retronym
- retronyms
- retropack
- retropacks
- retroperitoneal
- retroperitoneally
- retrophylla
- retrophyllums
- retropulsions
- retroreflection