In extended and figurative use. An (esp. hidden) entrance to or exit from something; spec. (a) a way of escape, a refuge; (b) a means of entry…

A passage or way out, an outlet, an exit; (figurative) a means of escape or deliverance.

With †of. Means or way of escape. Obsolete. rare.

In extended use: a means of escape; (a device affording) a way out of a difficulty. Obsolete.

figurative. An opening or breach by which entry may be effected or attack made; more rarely of a way of escape. Obsolete.

Means, opportunity, or way of escape. Obsolete.

Escape, release from restraint; a means of escape.

figurative. With out or out of: a solution to, or means of escape from, a problem or difficulty.

In extended use: a way out of a difficulty; a means of escape or relief; (also) a way of expressing or releasing emotion, energy, talent, etc.

A means of escape from blame, responsibility, etc.; an excuse. Frequently in negative contexts. Obsolete.

a hole by which to bolt or escape; figurative a means of escape.

A means of fleeing, way of escape. rare.

Originally and chiefly Australian. A channel, passageway, etc., serving as an overflow (for waste water, etc.) or an escape route. Now rare.

colloquial (originally U.S.). A means of escape or avoidance; a way out; (hence) an excuse, defence, or alibi.

= bolting-hole n. at bolting, n.2 compounds.