I. mə̇ˈdis( ə )nəl, meˈ-, archaic ˈmedsə̇n ə l or |medə|sīn ə l adjective
Etymology: Middle English, from Middle French, from Latin medicinalis, from medicina medicine + -alis -al — more at medicine
1.
a. : of or relating to medicine : tending to cure disease or relieve pain : used as a remedy : sanative
where a hot spring gushes forth, possessed, it is claimed, of medicinal qualities — American Guide Series: Texas
b. : having wholesome effect : salutary
a medicinal phrase that he would repeat … in all moments of adversity — W.B.Yeats
2. archaic : medical
II. noun
( -s )
: a medicinal substance : medicine