Wiktionary
main gauche
n. 1 (context music English) In musical notation, an instruction for the pianist to use the left hand. 2 (context weapons English) A type of parrying dagger.
Usage examples of "main gauche".
Renier had knocked Thomas down once in a friendly duel, and when the Preceptor had stepped in close to follow up, Thomas had retaliated by slamming him in the groin with the hilt of his main gauche.
The rapier and main gauche came out easily, hissing their steely way.
A la main gauche viendra changer le sceptre, Du Roy viendra Empereur pacifique.
The second form of fencing dagger is called a shell-guard dagger or main gauche.