'Tylosis' definitions:

Definition of 'Tylosis'

From: GCIDE
  • Tylosis \Ty*lo"sis\, n.; pl. Tyloses. [NL., fr. Gr. ty`los a lump, knot.] (Bot.) An intrusion of one vegetable cell into the cavity of another, sometimes forming there an irregular mass of cells. --Goodale. [1913 Webster]