There are 2 definitions of ah in English:

ah1

Line breaks: ah
Pronunciation: /ɑː
 
/

exclamation

Used to express a range of emotions including surprise, pleasure, sympathy, and realization: ah, there you are!
More example sentences
  • Ah I see what you mean.
  • Ah, that's much better.
  • ‘Ah, you poor child,’ answered the old woman, ‘what a place for you to come to!‘

Origin

Middle English: from Old French.

Definition of ah in:

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Word of the day dinkum
Pronunciation: ˈdiNGkəm
adjective
(of an article or person) genuine

There are 2 definitions of ah in English:

AH2

Line breaks: AH
Pronunciation: /eɪˈeɪtʃ
 
/

abbreviation

In the year of the Hegira (used in the Muslim calendar for reckoning years from Muhammad’s departure from Mecca in ad 622); of the Muslim era: a Koran dated 556 ah

Origin

from Latin anno Hegirae.

Definition of ah in: