We don't have synonyms for jewing yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are sewing, jawing and mewing.
(n) :
The carunculation of the base of the beak of some varieties of the domestic pigeon; the lobes or wattles of the lower mandible, often in the form of three small fleshy processes, one at each side and a third beneath and before the others.
(n) :
The carunculation of the base of the beak of some varieties of the domestic pigeon; the lobes or wattles of the lower mandible, often in the form of three small fleshy processes, one at each side and a third beneath and before the others.