seine 
(sān)
(sān)n.
A large fishing net made to hang vertically in the water by weights at the lower edge and floats at the top.
v. seined, sein·ing, seines
v.intr.
To fish with such a net.
v.tr.
To fish for or catch with such a net.
[Middle English, from Old English segne, from Germanic *sagina, from Latin sagēna, from Greek sagēnē.]
seiner n.