Definition of "quicken" in English

verb

1. Senses relating to life or states of activity.

2. Senses relating to speed.

verb

1. (transitive, rare) To apply quicksilver (mercury) to (something); to combine (something) with quicksilver; to quicksilver.

noun

1. (chiefly Ireland, Northern England) In full quicken tree: the European rowan, rowan, or mountain ash (Sorbus aucuparia).

noun

1. (chiefly Midlands (northern), Northern England, Northern Ireland, Scotland) Synonym of couch grass (“a species of grass, Elymus repens”); also (chiefly in the plural), the underground rhizomes of this, and sometimes other grasses.