The heart considered as the seat of courage or morale. Also: courage, spirit, pluck; (one's) morale or spirits.

Courage; boldness, assertiveness, mettle. Frequently in man (or woman) of spirit.

Bravery, high-spirit, mettle. Obsolete.

In various senses relating to disposition or state of feeling. Spirit, courage, valour, bravery. Obsolete.

As a mass noun: strength of character or purpose; courage, boldness, assertiveness. Cf. spirit, n. 6. Now rare (chiefly Scottish, archaic, or poetic…

As a personal quality: ardour of temperament; zeal, fervour, enthusiasm, spirit.

A person's spirit; courage, strength of character; vigour, spiritedness, vivacity.

Martial or heroic spirit; valiant ardour, fervour, or indignation. Now archaic.

Chiefly parasynthetic, as brave-hearted, brave-horsed, brave-minded, brave-sensed, brave-spirited, brave-spiritedness.

A heart like that of a lion, i.e. brave, courageous; in quot. 1667 with pun on hart. Obsolete.

colloquial. The qualities considered characteristic of a fighting cock (cf. gamecock, n.); fighting spirit, pluck, mettle. Formerly also used…

Spirit, mettle; courage, pluck.

colloquial. Courage, originally viewed as residing in the heart; boldness, spirit; tenacity in adversity.

The quality of being game; pluck, courage, perseverance; enthusiasm for new challenges, experiences, etc.

slang (originally North American). Spirit, pep, energy; temper. Frequently in to put ginger (into), to show ginger.

The quality of being plucky; pluck.

Courage, ‘guts’; ‘stuffing’ (stuffing, n. 2e).

Something that ticks. slang (originally U.S.). The heart; also U.S. and Australian, courage, spirit, ‘guts’. Cf. heart, n. 11.

Courage, ‘guts’.