impetus

Definitions

1. 1.Fig.: Impulse; incentive; vigor; force. Buckle.
2. 2.(Gun.) The aititude through which a heavy body must fall to acquire a velocity equal to that with which a ball is discharged from a piece.

Source: Webster's Unabridged Dictionary, 1913 edition (public domain, via GCIDE / Project Gutenberg).

Related questions

• What does "impetus" mean?

Reverse-dictionary questions

Definition-first questions whose answer is impetus.

• What is fig.: Impulse; incentive; vigor; force. Buckle called?
• What is the aititude through which a heavy body must fall to acquire a velocity equal to that with which a ball is discharged from a piece called?