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A plane or arched surface for sustaining bodies by its movement through the air; a spread wing, as of a bird.

Pertaining to aërography; aërological.

Of or pertaining to aërolites; meteoric; as, aërolitic iron. Booth.

Of or pertaining to aërology.

An instrument for ascertaining the weight or density of air and gases.

Of or pertaining to aërometry; as, aërometric investigations.

Pertaining to aëronautics, or aërial sailing.

Of or pertaining to aërostatics; pneumatic.

The science that treats of the equilibrium of elastic fluids, or that of bodies sustained in them. Hence it includes aëronautics.

Pertaining to Æsculapius or to the healing art; medical; medicinal.

Of or pertaining to Æsop, or in his manner.

Of or Pertaining to æsthetics; versed in æsthetics; as, æsthetic studies, emotions, ideas, persons, etc. -- Æs*thet"ic*al*ly, adv.

The state of torpidity induced by the heat and dryness of summer, as in certain snails; -- opposed to hibernation.

Pertaining to ætiology; assigning a cause. -- Æ`ti*o*log"ic*al*ly, adv.

A material object (vaguely designated). A certain affair of fine red cloth much worn and faded. Hawthorne.

Of or pertaining to the affections; as, affectional impulses; an affectional nature.

Pertaining to or exciting emotion; affectional; emotional. Rogers.

To assess or reduce, as an arbitrary penalty or amercement, to a certain and reasonable sum. Amercements . . . were affeered by the judges. Blackstone.

The establishment or ascertaining of parentage; the assignment of a child, as a bastard, to its father; filiation.

To assert positively; to tell with confidence; to aver; to maintain as true; -- opposed to deny. Jesus, . . . whom Paul affirmed to be alive. Acts xxv. 19.