The Collaborative International Dictionary
Revellent
Revellent \Re*vel"lent\, a. [L. revellens, p. pr. of revellere. See Revel, v. t.] Causing revulsion; revulsive. -- n. (Med.) A revulsive medicine.
Wiktionary
revellent
a. (context obsolete English) Causing revulsion; revulsive.