Defant Glacier is a glacier

Glacier

A glacier is a large persistent body of ice that forms where the accumulation of snow exceeds its ablation over many years, often centuries. At least 0.1 km² in area and 50 m thick, but often much larger, a glacier slowly deforms and flows due to stresses induced by its weight...

 2 nautical miles (3.7 km) wide at its mouth, which flows east-southeast to the west side of Violante Inlet

Violante Inlet

Violante Inlet is an ice-filled inlet 16 nautical miles long, in an east-west direction, and 12 to 15 nautical miles wide, lying between Cape Fanning and Cape Herdman along the east coast of Palmer Land. Discovered and photographed from the air in December 1940 by members of the United States...

, on the east coast of Palmer Land

Palmer Land

Palmer Land is that portion of the Antarctic Peninsula which lies south of a line joining Cape Jeremy and Cape Agassiz. This application of Palmer Land is consistent with the 1964 agreement between US-ACAN and UK-APC, in which the name Antarctic Peninsula was approved for the major peninsula of...

. Discovered and photographed from the air in December 1940 by the United States Antarctic Service (USAS). During 1947 the glacier was photographed from the air by members of the Ronne Antarctic Research Expedition

Ronne Antarctic Research Expedition

The Ronne Antarctic Research Expedition was an expedition from 1947-1948 which researched the area surrounding the head of the Weddell Sea in Antarctica.-Background:...

 (RARE), who in conjunction with the Falkland Islands Dependencies Survey (FIDS) charted it from the ground. Named by the FIDS for Professor Albert Defant, German oceanographer (Austrian born) who was Director of the Inst. fur Meereskunde (German Hydrographic Office), 1927-46.