gams is a form of:

Gam



ENGLISH MEANING
noun
1.
A herd, or school, of whales.
2.
A visit between whalers at sea; a holding of social intercourse between those on different vessels at sea, or (Local U. S.) between persons ashore.
verb
1.
(INTRANSITIVE) To gather in a gam; -- said of whales.
2.
(INTRANSITIVE) To engage in a gam, or (Local, U. S.) in social intercourse anywhere.
3.
(TRANSITIVE) To have a gam with; to pay a visit to, esp. among whalers at sea.