usu.

abbreviation for

He wrote, among others, a treatise, De licito usu quivocationum et mentalium restrictionum.

Propino Vomitorium liquidum, cujus usu cum copiosa mucosa rejecisset, non rediit Incubus.

Etiam si quis a culpa vacuus in amicitiam ejus inciderat, quotidiano usu per similisque ceteris efficiebatur.

She does it splendidly, though usu'ly she thinks she's too big to play with us any longer.

Ferreus assiduo consumitur annulus usu—By constant use an iron ring is consumed.

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