Earlier quoted context omitted.
From http://learnthesewordsfirst.com/Lesson-12F.html#12-21 12-20. right. [X is on the right side of your body.] = X is on this side of your body: Most people write using the hand they have on this side of their body. [I use my right hand when I draw pictures.] 12-21. left. [X is on the left side of your body.] = X is on this side of your body: Most people do not write using the hand they have on this side of their bo…
I would think a true minimum set of bootstrapping words would be enough to teach the language to hypothetical aliens who might not have access to a group of humans to poll about handedness.
Of or pertaining to that side of the body in man on which the muscular action is usually stronger than on the other side; -- opposed to left when used in reference to a part of the body; as, the right side, hand, arm. Also applied to the corresponding side of the lower animals.
http://www.dict.org/bin/Dict?Form=Dict2&Database=*&Query=rig...