"GAM. NOUN--A SOCIAL MEETING OF TWO (OR MORE) WHALESHIPS, GENERALLY ON A
CRUISING-GROUND; WHEN, AFTER EXCHANGING HAILS, THEY EXCHANGE VISITS BY
BOATS' CREWS; THE TWO CAPTAINS REMAINING, FOR THE TIME, ON BOARD OF ONE
SHIP, AND THE TWO CHIEF MATES ON THE OTHER."

I did not know that. And there is an entire chapter on the crotch, which is two feet long!