obvŏlūtĭo

ōnis, f.

obvolvo

I. a wrapping round, enveloping; an envelope (postclass.): aetherea obvolutio, Macr. Somn. Scip. 1, 11, § 12; Cael. Aur. Acut. 2, 11, 79.
Lewis & Short
A Latin Dictionary, 1879
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