Definitions
1.nounA hollow place in the earth; an abyss; a deep chasm or basin.
2.nounThat which swallows; the gullet.
3.nounThat which swallows irretrievably; a whirlpool; a sucking eddy.
4.nounA portion of an ocean or sea extending into the land; a partially landlocked sea"the Gulf of Mexico the Persian Gulf"
5.nounA large deposit of ore in a lode.
6.nounA difference, especially a large difference, between groups.
7.noun(Oxbridge slang) The bottom part of a list of those awarded a degree, for those who have only just passed.
8.verb(Oxbridge slang) To award a degree to somebody who has only just passed sufficiently.