(simile, colloquial) Very timid

cucamelon

plural of mouse melon

(computing) A mouse (pointing device) that uses a light source and a light detector (for example, an LED and an array of photodiodes) to detect movement, as opposed to the earlier mechanical mouse.

(computing) A pointing device which uses a ball to detect movement.

(archaic) myopia

Alternative form of mouse deer

plural of mouse-deer

(firearms, colloquial) A pocket pistol, especially one of a particularly small caliber.

plural of mouse gun