The state or quality of being aggressive.
The propensity of a soil or water to dissolve metal or cement structures.
The result or product of being aggressive.
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.