'Sustentacular' definitions:

Definition of 'sustentacular'

(from WordNet)
adjective
Serving to sustain or support; "sustentacular cells"

Definition of 'Sustentacular'

From: GCIDE
  • Sustentacular \Sus`ten*tac"u*lar\, a. [See Sustenance.] (Anat.) Supporting; sustaining; as, a sustentacular tissue. [1913 Webster]