Relaxant
[rɪ'læks(ə)nt] or [rɪ'læksənt]
Definition
(noun.) a drug that relaxes and relieves tension.
(adj.) tending to relax or relieve muscular or nervous tension; 'a relaxant drug' .
Typist: Rosanna--From WordNet
Definition
(n.) A medicine that relaxes; a laxative.
Editor: Moore