— ulnar , adj.
/ul"neuh/ , n. , pl. ulnae /-nee/ , ulnas .
1. Anat. the bone of the forearm on the side opposite to the thumb. Cf. radius (def. 7). See diag. under skeleton .
2. a corresponding bone in the forelimb of other vertebrates.
[ 1835-45; oléne, OE eln ELL 2 ]