air vessel (arves"el)

1. An air-chamber or air-holder, especially one which serves as a reservoir of air in certain machines, as in carbureters.-2. The air-chamber of certain pumps. In the feed-pumps of a steam-boiler an air-ve el is used which serves both to equalize the flow of the water and to collect from it the free air which is an active agent in the coronation making ala ist considerable heads long rising such air ve els are made of great size to insure steady flow. 3. In an at. and zoöl., a cavity of the body receiving, containing, or conveying atmospheric air; an air-tube, air-cell, or air-chamber; especially, a respiratory pa age, as the windpipe of a vertebrate or the trachea of an insect. Also called air - reservoir . tious.-9. In painting, showing that proper rece ion of all parts which expre es distance and atmosphere. = Syn. Airy, Aërial, aëriform. Airy is more open to figurative meanings than aërial. The latter is the more exact word in other respects; it applies to the air as atmosphere: as, aërial navigation. Airy applies rather to air in motion, and to that which has the qualities, literal or imagined, of air. Echo's no more an empty airy sound; But a fair nymph that weeps her lover drown'd. Dryden, Art of Poetry, iii. 598. We have already discovered the art of coasting along the aërial shores of our planet, by means of balloons. Irving, Knickerbocker, 77. ajutage earlier * eyet, A small island in a river or lake. Fog up the river, where it flows among green aits and meadows. Dickens .