What is the meaning of Odd?

Differing from what is usual, ordinary or expected.

Peculiar, singular and strange in looks or character; eccentric, bizarre.

Without a corresponding mate in a pair or set; unmatched; mismatched.

Left over, remaining after the rest have been paired or grouped.

Left over or remaining (as a small amount) after counting, payment, etc.

Scattered; occasional, infrequent; not forming part of a set or pattern.

Not regular or planned.

Used or employed for odd jobs.

Numerically indivisible by two.

Numbered with an odd number.

About, approximately; somewhat more than (an approximated round number).

Out of the way, secluded.

On the left.

Singular in excellence; matchless; peerless; outstanding.

Something left over, not forming part of a set.

An odd number.

indefinite accusative singular of oddur

Alternative form of odde

Source: wiktionary.org