Courage; determination.
The center of the field.
Content, substance.
One's innermost feelings.
The entrails or contents of the abdomen.
The essential, core parts.
The ring in the gambling game two-up in which the spinner operates; the centre.
To show determination or courage (especially in the combination guts out).
To eat greedily.
The state of being self-confident
A measure of one's belief in one's own abilities