| subclass | (n) (biology) a taxonomic category below a class and above an order |
| subclavian | (adj) situated beneath the clavicle |
| subclavian artery | (n) either of two arteries that supply blood to the neck and arms, Syn. arteria subclavia |
| subclavian vein | (n) a continuation of the axillary vein; joins the internal jugular to form the brachiocephalic vein, Syn. vena subclavia |
| Subclass | n. One of the natural groups, more important than an order, into which some classes are divided; |
| Subclavian | a. [ Pref. sub- + L. clavis a key. See Clavicle. ] (Anat.) Situated under the clavicle, or collar bone; |