[f. STEADY v. + -ER1.] Something that steadies.
1864. Reader, 5 March, 301/1. The peroneus longus muscle [in the chimpanzee] … instead of being a steadier of the leg from a fixed point below, becomes [etc.].
1899. E. Phillpotts, Human Boy, 25. Mathers … fancied tobacco was probably a fine steadier for the nerves before a football match.
