A lava flow.
A stream.
A deep gulch or ravine, frequently dry in summer.
A reach of water in a bayou that is like a slough but deeper.
A large deposit of ore in a lode.
A portion of an ocean or sea extending into the land; a partially landlocked sea
The bottom part of a list of those awarded a degree, for those who have only just passed.
That which swallows irretrievably; a whirlpool; a sucking eddy.
A hollow place in the earth; an abyss; a deep chasm or basin.
A wide interval or gap; a separating space.
A difference, especially a large difference, between groups.
To award a degree to somebody who has only just passed sufficiently.