Found 2 items, similar to mouser.
English → English (WordNet) Definition: mouser mouser n : a cat proficient at mousing
English → English (gcide) Definition: Mouser Mouser \Mous"er\, n. 1. A cat that catches mice; as, a good mouser is better than a dozen mousetraps. [1913 Webster +PJC] 2. One who pries about on the lookout for something. [1913 Webster]