Johnson hole

Etymology
Named, for its size, after (1878-1946), the world heavyweight boxing champion until 1915.

Noun

 * 1)  A large shell crater during the First World War.
 * 2) * 1937,, In Parenthesis, Part 3:
 * And to his immediate front, below the shelving ramp, a circular calm water graced the deep of a Johnson hole