Wiktionary
aq
a. as quoted (qualifier: used on a menu to indicate that the price is not listed because it varies depending on the composition of a dish (as in a charcuterie or cheese platter) or because it is particularly high) n. (context chemistry English) (abbreviation of aqueous solution English)
Wikipedia
AQ
AQ, Aq, aQ, or aq may stand for or refer to:
Usage examples of "aq".
Aqer laughed, not loud enough to cross the borders of respect and propriety, nevertheless my mistress singled him out.