RhymeZone: laster definitions

Definitions of Laster:

name: A surname (rare: 1 in 33333 families; popularity rank in the U.S.: #3645)

noun: A workman whose business it is to shape boots or shoes, or place leather smoothly, on lasts.
noun: A tool for stretching leather on a last.
noun: That which lasts or endures.
noun: A surname originating as an occupation.

(Definitions from Wiktionary)