GILL n.
ax fiber or wool into fewer parallel filaments. Etym: [Prob. so called from F. aiguilles, needles. Ure.] Gill arches, Gill bars. (Anat.) Same as Branchial arches. -- Gill clefts. (Anat.) Same as Branchial clefts. See under Branchial. -- Gill cover, Gill lid. See Operculum. -- Gill frame, or Gill head (Flax Manuf.),…