helioscopion
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helioscopio Noun: neuter dative singular, Noun: neuter ablative singular of helioscopion
hēlĭoscŏpĭon, ii, n., = ἡλιοσκόπιον,
- a species of heliotropium, Plin. 22, 21, 29, § 57; called also: helioscopum, App. Herb. 108.
hēlĭoscŏpĭŏn, ĭī, n. (-pĭŏs, ĭī, m. ) (ἡλιοσκόπιον), héliotrope : Plin. 22, 57 || espèce dʼeuphorbe : Plin. 26, 69.