Anything whatsoever, any part.

Whit, the smallest part, iota.

Zero

The digit zero as the decade in years. For example, aught-nine for 1909 or 2009.

At all, in any degree, in any respect.

Estimation.

"In my aught."

Of importance or consequence (in the phrase "of aught").

"An event of aught."

Esteem, respect.

"A man of aught (a man of high esteem, an important or well-respected man)."

Property; possession

Duty; place; office

To own, possess

To owe, be obliged or obligated to

Possessed of

A numerical value equal to 8; the number occurring after seven and before nine.

Describing a group or set with eight elements.

"He works eight hours a day."