- flask⇄flask (1), noun, verb.
- flask⇄flask (2), noun.
1. the side of the trail of a gun carriage, formed of metal plates.
2. (Obsolete.) the bed or platform of a gun carriage. - flask⇄noun 1. any bottle-shaped container. Thin glass flasks are used in chemical laboratories for heating liquids, etc.
2. a small glass, plastic, or metal bottle with flat sides, especially one with a narrow neck, made to be carried in the pocket for - flask⇄v.t. to put into a flask.
- flask⇄vacuum bottle orflask
a bottle or flask made with a vacuum between its inner and outer walls so that its contents remain hot or cold for long periods of time; thermos bottle.