avi-, av-

All the birds present in a region, an area, an environment, or a period of time.

A reference to or relating to birds of a particular region or period.

Aerial navigation.

It has not been possible to find a dictionary that includes the word avimancy.

The correct terms for divination by observing birds, etc. are auspicious and inauspicious.

1. Characteristic of birds.
2. The scientific family, Aves, consists of birds; class of feathered, bipedal, with forelimbs specialized as wings for flight, and without teeth.

Reproduction is oviparous, fertilization internal; eggs are yolked, amniotic, and with shells.

Air sickness.

An airplane.

A French word, coined by the French engineer Clément Ader (1841-1925) in 1875 based on Latin avis, "bird".

A reference to or relating to avionics (aviation electronics).

1. The science and technology of electronics and the development of electronic devices as applied to aeronautics and astronautics (used with a singular verb): "Avionics has become even more important with the development of the space program."
2. The electronic systems, equipment, and other devices so developed (used with a plural verb): "The avionics on this spacecraft represent a new generation of sophistication."

A “bird lizard” from Late Cretaceous North America. Named by Michael K. Brett-Surman and Gregory S. Paul in 1985.