The Collaborative International Dictionary of English v.0.48:
Transversal \Trans*ver"sal\, a. [Cf. F. transversal. See Transverse.] Running or lying across; transverse; as, a transversal line. -- Trans*ver"sal*ly, adv. [1913 Webster]WordNet (r) 3.0 (2006):
transversally adv 1: in a transverse manner; "they were cut transversely" [syn: transversely, transversally]