from The American Heritage® Dictionary of the English Language, 4th Edition
- n. An augur of ancient Rome, especially one who interpreted omens derived from the observation of birds.
from The Century Dictionary and Cyclopedia
- n. One who divines by observing the motions, cries, etc., of birds; a diviner in general; an augur.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. (ancient Rome) a religious official who interpreted omens to guide public policy
There are objections to both interpretations; a Roman imperator was not called auspex, though he was attended by an auspex, and was said to have the auspicia; auspex is frequently used of one who, as we should say, inaugurates an undertaking, but only if he is a god or a deified mortal.
Is Teucer called auspex, as taking the auspices, like an augur, or as giving the auspices, like a god?
 Latin _auspicium_, from _auspex_, a bird seer.
The English noun "auspice," which originally referred to this practice of observing birds to discover omens, also comes from Latin "auspex."
coniugis et castris et solio generi50 optatum celebrare diem! me iungeret auspex
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