rub

An act of rubbing.

Give that lamp a good rub and see if any genies come out.

A difficulty or problem.

To die, to sleep— / To sleep—perchance to dream. Ay, there's the rub! / For in that sleep of death what dreams may come, / When we have shuffled off this mortal coil, / Must give us pause

[…] the propriety of the cabman's shelter, as it was called, hardly a stonesthrow away near Butt bridge where they might hit upon some drinkables in the shape of a milk and soda or a mineral. But how to get there was the rub.

A quip or sarcastic remark.

In the game of crown green bowls, any obstacle by which a bowl is diverted from its normal course.

Any substance designed to be applied by rubbing.

a heat rub intended for muscular strains

To move (one object) while maintaining contact with another object over some area, with pressure and friction.

I rubbed the cloth over the glass.

The cat rubbed itself against my leg.

To be rubbed against something.

My shoes are beginning to rub.

To spread a substance thinly over; to smear.

meat rubbed with spices before barbecuing

The smoothed plank, […] / New rubbed with balm.

To move or pass with difficulty.

to rub through woods, as huntsmen

To scour; to burnish; to polish; to brighten; to cleanse; often with up or over.

to rub up silver

The whole business of our redemption is, in short, only to rub over the defaced copy of the creation

Any of a group of proteins similar to ubiquitin

Initialism of rich urban biker.