transitive. To draw off or out (now only, air); literal and figurative.

To draw off or away (a liquid) gradually, or in small quantities, by means of a conduit or the like; to carry off or away by means of a drain.

transitive. To extract (liquid) by means of a tap, channel, or by suction, esp. without disturbing the bottom or sediment. Also: by metonymy…

transitive. To take or bring out of a cask; figurative to open up.

transitive. To drain off (water). Obsolete. rare.

transitive.To have (a price or value). Also of an investment, loan, etc.: to have (interest, or a particular condition) stipulated in the terms.

absol. To draw liquor; to act as tapster.

transitive. To elicit (something), to draw out; to extract or extort (money, advantage, information, etc.) from a person, business, situation, etc…

transitive. To remove (excess or unwanted water, fumes, etc.) from a place.

To take out mechanically, leaving a vacuum or void; to pump out (water); to exhaust (air). Also figurative. Obsolete except in surgical use.

More generally: To draw off or away.

transitive. To draw out a gas or vapour from a vessel; cf. aspirator, n. a b.

To allow (liquid) to drain away or (gas) to escape through a cock, valve, or the like. Also with off. Cf. bleeding, n. 3.