Mouse \Mouse\, v. i. [imp. & p. p. Moused; p. pr. & vb. n. Mousing.]

1. To watch for and catch mice.

2. To watch for or pursue anything in a sly manner; to pry about, on the lookout for something.

Source: Webster's Revised Unabridged Dictionary (1913)
 

Mousing \Mous"ing\, a. Impertinently inquisitive; prying; meddlesome. ``Mousing saints.'' --L'Estrange.

Source: Webster's Revised Unabridged Dictionary (1913)
 

Mousing \Mous"ing\, n.

1. The act of hunting mice.

2. (Naut.) 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.

3. A ratchet movement in a loom.

Mousing hook, a hook with an attachment which prevents its unhooking.

Source: Webster's Revised Unabridged Dictionary (1913)