(noun; Old French flangier
, flank): 1. A projecting rim, edge, or external
or internal rib
; a guide attachment for another part or organ.
2. (Arthropoda: Crustacea) In ostracods, a ridge along the valve margin formed by projection of the outer lamella as a narrow brim.
3. (NEMATA) Posteriorly sloping thickening or knob at the base of the odontostyle extension.