Definitions from Wiktionary ( )

▸ noun:  (countable, botany, also figuratively) A plant with flowers which turn to face and follow the sun, such as (archaic) marigolds and sunflowers.
▸ noun:  (specifically) A plant of the genus Heliotropium, especially the common heliotrope (Heliotropium arborescens) which has clusters of purple flowers with a strong fragrance.
▸ noun:  With a qualifying word: any of various plants resembling those of the genus Heliotropium.
▸ noun:  (uncountable) The fragrance of Heliotropium arborescens flowers, or a scent resembling this fragrance.
▸ noun:  (uncountable) A light purple or violet colour like that of Heliotropium arborescens flowers.
▸ noun:  (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).
▸ noun:  (countable, historical) An ancient type of sundial consisting of a bowl with a perpendicular gnomon mounted in the centre.
▸ noun:  (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.

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