What is the meaning of Hummel?

A stag that has failed to grow antlers; a cow that has not developed horns.

Especially in hummel corn: grain that lacks awns (beards or bristles), or has had its awns removed (barley, oats, etc.).

Of an animal: to remove the horns; to poll.

To separate (barley, oats, etc.) from the awns.

a small child

Source: wiktionary.org