/ ˈfəʊtəʊ; NAmE ˈfoʊtoʊ/ noun
( pl. -os ) = photograph :
a colour / black-and-white photo
a passport photo
a photo album (= a book for keeping your photos in)
I'll take a photo of you.
HELP NOTE : The usual phrase in NAmE is take a picture .
➡ note at photograph
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WORD ORIGIN
mid 19th cent.: abbreviation.