'Miser' definitions:

Definition of 'miser'

noun

A stingy hoarder of money and possessions (often living miserably)

From: GCIDE

Miser \Mi"ser\ (m[imac]"z[~e]r), n. [L. miser wretched, miserable; cf. Gr. mi^sos hate, misei^n to hate: cf. It. & Sp. misero wretched, avaricious.] [1913 Webster]
1. A wretched person; a person afflicted by any great misfortune. [Obs.] --Spenser. [1913 Webster]
The woeful words of a miser now despairing. --Sir P. Sidney. [1913 Webster]
2. A despicable person; a wretch. [Obs.] --Shak. [1913 Webster]
3. A covetous, grasping, mean person; esp., one having wealth, who lives miserably for the sake of saving and increasing his hoard. [1913 Webster]
As some lone miser, visiting his store, Bends at his treasure, counts, recounts it o'er. --Goldsmith. [1913 Webster]
4. A stingy person; one very reluctant to spend money. [PJC]
5. A kind of large earth auger. --Knight. [1913 Webster]