Third-person singular simple present indicative form of drop in

A woodland plant of northern Europe, Arum maculatum. / A plant in the northeastern North America, Arisaema triphyllum. / Any plant in the genus Arisaema. / (games) Cat's cradle.

(Britain) A rest stop; a place at the side of a road where drivers can rest.

(idiomatic) A relationship that is likely to be unhappy or unsuccessful because the two partners are very incompatible with each other.

One should avoid romantic or sexual relationships in the workplace.

Incorrect; in error. / At fault, guilty.

To surround and enclose in a way that restricts movement.

A person's circumstances are normally the result of their own actions.

(medicine) Daily.

(idiomatic, emphatic) Ever; in one's whole life.