Weir 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...

 8 nautical miles (15 km) long, the western of two glaciers flowing north into the south part of Barilari Bay

Barilari Bay

Barilari Bay is a bay long and wide, between Cape Garcia and Loqui Point on the west coast of Graham Land. It was discovered by the French Antarctic Expedition, 1903–05, and named by Jean-Baptiste Charcot for Rear Admiral Atilio S. Barilari, Argentine Navy. It was re-charted by the British...

, on the west coast of Graham Land

Graham Land

Graham Land is that portion of the Antarctic Peninsula which lies north of a line joining Cape Jeremy and Cape Agassiz. This description of Graham Land is consistent with the 1964 agreement between the British Antarctic Place-names Committee and the US Advisory Committee on Antarctic Names, in...

. First sighted and roughly charted in 1909 by the French Antarctic Expedition

French Antarctic Expedition

French Antarctic Expedition refers to several French expeditions in Antarctica.-First expedition:Yves-Joseph de Kerguelen-Trémarec was a French explorer....

 under Charcot. It was surveyed in 1935-36 by the British Graham Land Expedition

British Graham Land Expedition

A British expedition to Graham Land led by John Lachlan Cope took place between 1920 and 1922. The British Graham Land Expedition was a geophysical and exploration expedition to Graham Land in Antarctica between 1934 to 1937. Under the leadership of John Riddoch Rymill, the expedition spent two...

 (BGLE) under Rymill and later named for William D. Weir, 1st Viscount Weir

Viscount Weir

Viscount Weir, of Eastwood in the County of Renfrew, is a title in the Peerage of the United Kingdom. It was created in 1938 for the Scottish businessman, public servant, politician and former Secretary of State for Air, William Weir, 1st Baron Weir. He had already been created Baron Weir, of...

 of Eastwood, and his son, the Hon. James K. Weir, who contributed toward the cost of the BGLE, 1934-37.