Confused and have questions? We’ve got answers.
With Chegg Study
, you can get step-by-step solutions to your questions from an expert in the field. If you rather get 1:1 study help, try 30 minutes of free online tutoring with Chegg Tutors
From Biology-Online Dictionary
(1) Lying on one's back.
(2) Inactive or inert; showing lethargy or passivity.
(3) With palm upward (of the hand).
(4) Inclined or sloping.
Word origin: Latin supīnum lying on its back