nava—ratna n. 9 precious gems (viz. pearl, ruby, topaz, diamond, emerald, lapis lazuli, coral, sapphire, and Go-medha they are supposed to be related to the 9 planets), [L.] (cf. [MWB. 528])
nine gems (for ‘lapis lazuli’ read ‘cat's eye’ [= vaiḍūrya], and for go-medha read go-meda, ‘zircon’ or ‘jacinth’; the 9 gems are sacred to the five planets with the Sun and Moon, Rāhu and Ketu).
the 9 jewels (i.e. the 9 men of letters at the court of Vikramāditya, viz. Dhanvantari, Kṣapaṇaka, Amara-siṃha, Śaṅku, Vetāla-bhaṭṭa, Ghaṭa-karpara, Kāli-dāsa, Vara-ruci, and Varāha-mihira), [L.]
N. of a collection of 9 stanzas and other works.