supinate
verb
su·pi·nate ˈsü-pə-ˌnāt 
supinated; supinating
transitive verb
: to cause to undergo supination
intransitive verb
: to undergo supination
Example Sentences
Recent Examples on the Web When raising the weight, remember to supinate (turn your palms upward) and squeeze as much as possible to hit your biceps. 
Kirk Charles, Men's Health, 26 Apr. 2022 This will plantarflex your ankle, supinate your foot and contract your calf. Jon-erik Kawamoto, Outside Online, 23 Mar. 2021
Kirk Charles, Men's Health, 26 Apr. 2022 This will plantarflex your ankle, supinate your foot and contract your calf. Jon-erik Kawamoto, Outside Online, 23 Mar. 2021 Word History
Etymology
Latin supinatus, past participle of supinare to lay backward or on the back, from supinus
First Known Use
1801, in the meaning defined at transitive sense
Medical Definition
supinate
verb
su·pi·nate ˈsü-pə-ˌnāt
supinated; supinating
transitive verb
: to cause to undergo supination
supinate the hand
intransitive verb
: to undergo supination