As a noun ahu
is the asiatic gazelle or ahu can be stone platform for moai.
As an initialism au is
(ankara university).
ahu
English
Etymology 1
Noun
(
en noun)
The Asiatic gazelle.
Etymology 2
(etyl) ahu
Noun
(
en noun)
stone platform for moai
au
Translingual
Symbol
(head)
The ISO 3166-1 two-letter (alpha-2) code for Australia.
astronomical unit
Usage notes
(astronomical unit)
Though "AU" is in frequent use by professional bodies and the public, the recommended unit symbol is au by the IAU and ua by the BIPM.
Synonyms
(
astronomical unit)
* au (
the IAU recommended unit symbol for astronomical units)
* ua (
the BIPM recommended unit symbol for astronomical units)
* (
Unicode glyph for astronomical unit)
ISO 3166-1
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