Dictionary
met•tle
Pronunciation: (met'l), [key]—
n.
1. courage and fortitude:
a man of mettle.
2. disposition or temperament:
a man of fine mettle.
3. on one's mettle, in the position of being incited to do one's best
The loss of the first round put him on his mettle to win the match. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.