Daption capense, a common seabird of the Southern Ocean from the family Procellariidae.

(chiefly historical) A marchioness, especially one who is French. / A marquee. / (jewelry) An oval cut diamond with pointed ends.

A Canadian. / (chiefly WWI, WWII) A Canadian soldier. / A personification of Canada.

(meteorology) A large gap, usually circular or elliptical, that can appear in cirrocumulus or altocumulus clouds as a result of the Wegener-Bergeron-Findeisen process.