An obsolete term for a neoplasm in the axilla. ... Origin: G. Maschale, axilla, + onkos, mass ... (05 Mar 2000) ... 
maschaloncus 1. A tumor in the axillary (armpit) area. 2. A neoplasm in the axilla; a neoplasm refers to a new and abnormal growth of tissue, which may be benign or cancerous.