Origin: OE. Mous, mus, AS. Mus, pl. M
2. A knob made on a rope with spun yarn or parceling to prevent a running eye from slipping. Same as 2d Mousing.
3. A familiar term of endearment.
4. A dark-coloured swelling caused by a blow.
5. A match used in firing guns or blasting. Field mouse, flying mouse, etc. See Field, Flying, etc. Mouse bird, the piece of beef cut from the part next below the round or from the lower part of the latter.
Synonym: mouse buttock.