noun.
A low hill of sand on the sea-shore. Compare dune.
noun.
A low elevation, hillock, or knoll.
noun.
The form of the hand when the fingers are joined and bent in an even line, or bunched with the end of the thumb: as, to mak' a hummock.
noun.
As much of any loose material as can be taken up in the hand with the fingers so bent: as, a hummock of meal.