nub

A protuberance or knob.

A small lump.

The essence; the core.

To push.

To beckon.

To hang (Davies); nab.

A knob; a protuberance.

In cotton– and wool-carding, a snarl; an entanglement; a knot; a knub.

Point; pith; gist.

To push; to nudge; also, to beckon.