heeltap

[ heel-tap ]

/ ˈhilˌtæp /

a layer of leather, metal, or the like in a shoe heel; a lift.

a small portion of liquor remaining in a glass after drinking or in a bottle after decanting.

dregs, sediment, or residue.

Origin of heeltap

First recorded in 1680–90; heel¹ + tap¹, tap²

My summons came when we had shared the heel-tap of the bottle.

The Master of Appleby |Francis Lynde
Little Fay nodded, for her heart was full again, and the heel-tap of a sob would have been behind her words.

Perlycross |R. D. Blackmore
Zack was teeming with mirth—abetted, no doubt, by a heel-tap or two from the Colonel's retiring goblet.

Sunlight Patch |Credo Fitch Harris
“A great loss,” he would say, with a sad shake of his head, as he turned off the heel-tap.

Dealings with the Dead, Volume I (of 2) |A Sexton of the Old School

I think we are somewhere in the Atlantic; but your finding that heel-tap does puzzle me.

The Land of the Changing Sun |William N. Harben

heeltap

/ (ˈhiːlˌtæp) /

Also called: lift a layer of leather, etc, in the heel of a shoe

a small amount of alcoholic drink left at the bottom of a glass after drinking