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n. An aëroplane, airship, or the like. [ Colloq. in 1900, now obsolescent. ] [ Webster 1913 Suppl. +PJC ]

. [ Gr. &unr_;, &unr_;, air. ] The combining form of the Greek word meaning air. [ 1913 Webster ]

a. (Biol.) Growing or thriving only in the presence of oxygen; also, pertaining to, or induced by, aërobies; as, aërobic fermentation. -- A`ër*o"bic*al*ly adv. [Webster 1913 Suppl.]

n. pl. [ Aëro- + Gr. bi`os life. ] (Biol.) Microörganisms which live in contact with the air and need oxygen for their growth; as the microbacteria which form on the surface of putrefactive fluids; aerobes. [ obsolescent ] [ Webster 1913 Suppl. +PJC ]

a. (Biol.) Related to, or of the nature of, aërobies; as, aërobiotic plants, which live only when supplied with free oxygen. [ 1913 Webster ]

n. [ Aëro- + boat. ] A form of hydro-aëroplane; a flying boat. [ Webster 1913 Suppl. ]

n. [ Aëro- + bus. ] An aëroplane or airship designed to carry passengers. Now called a passenger plane or commercial airliner. [ obsolescent ] [ Webster 1913 Suppl. +PJC ]

n. [ Aëro- + club. ] A club or association of persons interested in aëronautics. [ Webster 1913 Suppl. ]

n. [ Aëro- + curve. ] (Aëronautics) A modification of the aëroplane, having curved surfaces, the advantages of which were first demonstrated by Lilienthal. [ Webster 1913 Suppl. ]

n. [ Aëro- + cyst. ] (Bot.) One of the air cells of algals. [ 1913 Webster ]

n. [ Aëro- + Gr. &unr_; shaken, &unr_; to shake. ] (Aëronautics) The science of gliding and soaring flight. [ Webster 1913 Suppl. ]

n. [ Aëro- + Gr. &unr_; a running. ] (Aëronautics) (a) A shed for housing an airship or aëroplane. (b) A ground or field, esp. one equipped with housing and other facilities, used for flying purposes. -- A`ër*o*drom"ic a. [Webster 1913 Suppl.]