Limb with bis and tris (3)
I believe the answer is:
arm
(Other definitions for arm that I've seen before include "inlet" , "Activate warhead" , "Activate fuse" , "Human limb" , "Shoulder to fingertip" .)
I believe the answer is:
arm
(Other definitions for arm that I've seen before include "inlet" , "Activate warhead" , "Activate fuse" , "Human limb" , "Shoulder to fingertip" .)