Snaffle \Snaf"fle\, n. [D. snavel a beak, bill, snout; akin to G. schnabel, OHG. snabul,. sneb, snebbe, OFries. snavel mouth, Dan. & Sw. snabel beak, bill, Lith. snapas, and to E. snap, v. See Snap, and cf. Neb.]

A kind of bridle bit, having a joint in the part to be placed in the mouth, and rings and cheek pieces at the ends, but having no curb; -- called also snaffle bit.

Source: Webster's Revised Unabridged Dictionary (1913)
 

Snaffle \Snaf"fle\, v. t. [imp. & p. p. Snaffled; p. pr. & vb. n. Snaffling.]

To put a snaffle in the mouth of; to subject to the snaffle; to bridle.

Source: Webster's Revised Unabridged Dictionary (1913)