pro in Wingdings is ◻︎❒︎□︎

A Latin preposition signifying for, before, forth. Pro confessoEtym: [L.] (Law), taken as confessed. The action of a court of equityon that portion of the pleading in a particular case which thepleading on the other side does not deny.-- Pro rata. Etym: [L. See Prorate.] In proportion; proportion.-- Pro re nata Etym: [L.] (Law), for the existing occasion; asmatters are.