Definition of "heliotrope" in Anglais

noun

(countable, botany, also figuratively) A plant with flowers which turn to face and follow the sun, such as (archaic) marigolds and sunflowers.
(uncountable) The fragrance of Heliotropium arborescens flowers, or a scent resembling this fragrance.
(uncountable) A light purple or violet colour like that of Heliotropium arborescens flowers.
(countable) An instrument that uses a mirror to reflect sunlight for purposes such as signalling, or (surveying) triangulation (where the reflected light is detected by another surveyor positioned some distance away).
(countable, historical) An ancient type of sundial consisting of a bowl with a perpendicular gnomon mounted in the centre.
(countable, uncountable, mineralogy) Synonym of bloodstone (“a green chalcedony that is sprinkled with red spots or veins of hematite”).

adjective

Of a light purple or violet colour like that of Heliotropium arborescens flowers.