Definitions

1. noun

A spear or javelin, especially one used by a knight in a tournament.

“He carefully retrieved his launce from the ground after it had been knocked out of his hand.”

2. verb

To throw or cast something, especially a spear or javelin.

“The knights would launce their spears at the targets in the medieval tournament.”

3. verb

To set out or start on a journey or enterprise.

“The adventurers were about to launce into their perilous journey through the desert.”