Laurentia
(chess) A variant of the Reti Opening in which white moves its queen's rook pawn to a4 on the third move (1. Nf3 d5 2. a4).
(geology) The craton that forms the geological core of North America, and that was a separate continent in the past (before merging into Laurasia).
plural of tyle-berry
(historical, WW2) A garishly painted aircraft, flying as an initial reference point for a bomber formation in the early part of a mission.
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DiQt（ディクト）
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