/tee"peuhl, tep"euhl/ , n. Bot.
one of the divisions of a flower perianth, esp. one that is not clearly differentiated into petals and sepals, as in lilies and tulips.
[ tépale (1827), alter. of pétale petal, on the model of sépale sepal; coined by Augustin-Pierre de Candolle (1778-1841), Swiss botanist ]