Webster's 1828 Dictionary
PISCARY
n.[L. piscis, a fish; piscor, to fish. ] In law, the right or privilege of fishing in another man's waters.
Webster's 1913 Dictionary
PISCARY
Pis "ca *ry, n. Etym: [L. piscarius relating to fishes or to fishing, fr. piscis a fish. ] (Law )
Defn: The right or privilege of fishing in another man's waters. Blackstone.
New American Oxford Dictionary
piscary
pis ca ry |ˈpiskərē ˈpɪskəri | ▶noun (in phrase common of piscary ) chiefly historical the right of fishing in another's water. ORIGIN late 15th cent.: from medieval Latin piscaria ‘fishing rights, ’ neuter plural of Latin piscarius ‘relating to fishing, ’ from piscis ‘fish. ’
Oxford Dictionary
piscary
piscary |ˈpɪskəri | ▶noun (in phrase common of piscary ) Brit., chiefly historical the right of fishing in another's water. ORIGIN late 15th cent.: from medieval Latin piscaria ‘fishing rights ’, neuter plural of Latin piscarius ‘relating to fishing ’, from piscis ‘fish ’.