Lewis Short
(verb) : ob-sŭo, ŭi, ūtum, 3
* To sew on (very rare): obsutum caput,Ov. F. 2, 578.
* To sew up, sew together; to stop or close up (poet. and in post-Aug. prose): nares, et spiritus oris obsuitur,Verg. G. 4, 301: sporta auri obsuta,Suet. Rhet. 1 fin.: obsuta lectica,the curtains of which are sewed together all around,id. Tib. 64.
Charlton T. Lewis, Charles Short, A Latin Dictionary