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fo

1 of 2

abbreviation (1)

variants or fol
folio

FO

2 of 2

abbreviation (2)

1
field officer
2
field order
3
finance officer
4
flight officer
5
foreign office
6
forward observer

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Cite this Entry

“Fo.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fo. Accessed 28 Nov. 2025.

Biographical Definition

Fo

biographical name

Dario 1926–2016 Italian playwright
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