Emily Dickinson Lexicon

A-PO-NEU-RO'SIS, or A-PO-NEU'RO-SY, n. [Gr. απο, from, and νευρον, a nerve; W. nerth; Arm. nerz; See Nerve.]

An expansion of a tendon in the manner of a membrane; the tendinous expansion or fascia of muscles; the tendon or tail of a muscle. – Encyc. Coxe.