'Selion' definitions:

Definition of 'Selion'

From: GCIDE

Selion \Sel"ion\, n. [OF. seillon a measure of land, F. sillon a ridge, furrow, LL. selio a measure of land.] A short piece of land in arable ridges and furrows, of uncertain quantity; also, a ridge of land lying between two furrows. [Obs. or Prov. Eng.] [1913 Webster]