Lewis Short
dis-plōdo, no
* Perf., ōsum, 3, v. a., to spread out, dilate, extend (for the most part only ante- and post-class., and in the part. perf.; in class. prose not at all): pedibus magnis, et altis, qui ingredienti ei displodantur,Varr. R. R. 2, 9, 4; id. ib. 2, 5, 8.—In the part. perf., burst asunder: vesicula displosa repente,Lucr. 6, 131; cf. * Hor. S. 1, 8, 46: repente templa caeli,Lucr. 6, 285 (for which: divolsa repente,ib. 122): nares,spread out, broad,Arn. 3, p. 108; 6, p. 196.
Charlton T. Lewis, Charles Short, A Latin Dictionary