to slide. N.
·vt To pronounce indistinctly; as, to slur syllables. II. Slur ·vt To cheat, as by sliding a die; t...
Webster's Dictionary of the English Language
To slur, is a method of cheating at dice: also to cast a reflection on any one's character, to scand...
Dictionary of The Vulgar Tongue by Francis Grose
A species of cross-bow formerly used for discharging fire arrows. ...
The Sailor's Word-Book