What is the meaning of Hilum?

The eye of a bean or other seed; the mark or scar at the point of attachment of an ovule or seed to its base or support.

The nucleus of a starch grain.

A depression or fissure through which ducts, nerves, or blood vessels enter and leave a gland or organ.

trifle

not a whit, not in the least

Source: wiktionary.org