Lewis Short
(verb) : ex-sĭnŭo, āvi, ātum, 1
* To unfold, spread out, extend (post-class.): amictus,Aus. Idyll. 14, 21: velum in contos suos,Paul. Nol. Ep. 49, 3: seriem laterum, Prud. στεφ. 11, 221.
Charlton T. Lewis, Charles Short, A Latin Dictionary