noun the act of hunting mice.
2. mousing ·noun a ratchet movement in a loom.
3. mousing ·adj impertinently inquisitive; prying; meddlesome.
4. mousing ·p.pr. & ·vb.n. of mouse.
5. mousing ·noun a turn or lashing of spun yarn or small stuff, or a metallic clasp or fastening, uniting the point and shank of a hook to prevent its unhooking or straighening out.