DCHP-1 Online
ice hummock North 
See hummock (def. 2) quotes.
See also: hummock (def. 2)
- 1933 . . . we . . . struck out through the ice hummocks into the obscurity of the Queen Maud sea.
- 1933 . . . we . . . struck out through the ice hummocks into the obscurity of the Queen Maud sea.