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drake1 US English

A male duck

drake2 US English

(In fishing) a natural or artificial mayfly, especially a subadult or gravid female

Drake, Sir Francis US English

(Circa 1540–96), English sailor and explorer. In his ship the Golden Hind he was the first Englishman to circumnavigate the globe (1577–80). He also played an important part in the defeat of the Spanish Armada

Drake in Drake Passage US English

An area of ocean, noted for its violent storms, that connects the South Atlantic Ocean with the South Pacific Ocean and separates the southern tip of South America (Cape Horn) from the Antarctic Peninsula

green drake US English

The green subadult of certain mayflies

grey drake US English

The greyish gravid female of certain mayflies

Drake Passage US English

An area of ocean, noted for its violent storms, that connects the South Atlantic Ocean with the South Pacific Ocean and separates the southern tip of South America (Cape Horn) from the Antarctic Peninsula

Drake equation US English

A speculative equation that gives an estimate of the likelihood of discovering intelligent extraterrestrial life in the galaxy, expressed as the product of a series of factors such as the number of stars, the fraction of stars with planets, the fraction of planets on which life evolves, the average lifetime of a civilization, etc. It was formulated by the US astronomer Frank Drake in 1961