Why is the ninth month called September?
1680s, "pertaining to the scapula," from Modern Latin scapularis, from Latin scapula "shoulder" (see scapula). The noun (late 15c., also in Old English) in reference to a short cloak for the shoulders prescribed for certain monks, is from Medieval Latin scapulare, from scapula. Related: Scapulary.
scapular scap·u·lar (skāp'yə-lər) or scap·u·lar·y (-lěr'ē)
Of or relating to the shoulder or scapula.