angulateyoudaoicibaDictYouDict[angulate 词源字典]
"Hold, bend, or distort (a part of the body) so as to form an angle or angles", Late 15th century (as angulated, used chiefly as a botanical or zoological term): from Latin angulatus, past participle of angulare, from angulus 'angle'. The skiing term dates from the 1970s.[angulate etymology, angulate origin, 英语词源]