he ‧ li ‧ o ‧ trope /ˈhiːliətrəʊp, ˈhe- $ ˈhiːliətroʊp/ BrE AmE noun
[ Date: 1000-1100 ; Language: Latin ; Origin: heliotropium , from Greek heliotropion , from helios 'sun' + tropos 'turn' ; because its flowers turn toward the sun ]
[countable] a garden plant with nice-smelling pale purple flowers