Available Definitions:
1) n. - The rolling or agitation of a ship in a storm.
2) v. t. - Hence, to shut or close, as the eyes; to blind.
3) v. i. - To incline to one side; to lean; to roll, as a ship at sea.
4) n. - Alt. of Seeling
5) n. - Good fortune; favorable opportunity; prosperity. [Obs.] "So have I seel".
6) n. - Time; season; as, hay seel.