'Drumlin' definitions:

Definition of 'drumlin'

noun

A mound of glacial drift

Definition of 'Drumlin'

From: GCIDE

Drumlin \Drum"lin\, n. [Gael. druim the ridge of a hill.] (Geol.) A hill of compact, unstratified, glacial drift or till, usually elongate or oval, with the larger axis parallel to the former local glacial motion. [1913 Webster]

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