The Collaborative International Dictionary
Illision
Illision \Il*li"sion\, n. [L. illisio, fr. illidere, illisum, to
strike against; pref. il- in + laedere to strike.]
The act of dashing or striking against.
--Sir T. Browne.
Wiktionary
illision
n. (context obsolete English) The act of dashing or strike against.