Repellent \Re*pel"lent\ (-lent), a. [L. repellens, -entis, p. pr. ] Driving back; able or tending to repel.
Source: Webster's Revised Unabridged Dictionary (1913)
Repellent \Re*pel"lent\, n.1. That which repels.
2. (Med.) A remedy to repel from a tumefied part the fluids which render it tumid. --Dunglison.
3. A kind of waterproof cloth. --Knight.