Noah Webster
Lanch
L'ANCH, verb transitive [from lance.]
1. To throw, as a lance; to dart; to let fly.
See whose arm can lanch the surer bolt.
2. To move, or cause to slide from the land into the water; as, to lanch a ship.
L'ANCH, verb intransitive To dart or fly off; to push off; as, to lanch into the wide world; to lanch into a wide field of discussion.
L'ANCH, noun
1. The sliding or movement of a ship from the land into the water, on ways prepared for the purpose.
2. A kind of boat, longer, lower, and more flat-bottomed than a long boat.