From or evoking the first through tenth years of a century (chiefly the 2000s).

The first decade of a century, such as 1900 to 1909 or 2000 to 2009, whose digit in the tens place is zero; the noughties.

(regional) Estimation. / (regional) Of importance or consequence (in the phrase "of aught"). / (regional, rare, obsolete) Esteem, respect.

Property; possession / Duty; place; office

(archaic) At all, in any degree, in any respect.

(archaic or dialectal) anything whatsoever, any part.

Obsolete or dialectal form of eight.

possessed of

whit, the smallest part, iota. / (archaic) zero / The digit zero as the decade in years. For example, aught-nine for 1909 or 2009.

to own, possess / to owe, be obliged or obligated to