Tidasa.-A name given to Tāvatimsa, the inhabitants being called Tidasā (J.iii.357, 413; vi.168; v.20, 390). The Tidasa devas are spoken of as being full of glory. S.i.234.

Dictionary of Pali Proper Names, G P Malalasekera (1899-1973), which is available as printed version from

tidasa : [m.] a deity (in general).

A.P. Buddhadatta Mahathera, Concise Pali-English and English-Pali Dictionary [available as digital version from Metta Net, Sri Lanka]

Tidasa (num.) [Vedic tridaśa] thirty (cp. tiŋsa), esp. the thirty deities (pl.) or belonging to them (adj.). It is the round figure for 33, and is used as equivalent to tāvatiŋsa. Nandanaŋ rammaŋ tidasānaŋ mahāvanaŋ Pv iii.119=Vv 1813; devā tidasā sahindakā Vv 301; Sdhp 420.
   -- âdhipati the Lord of the 30 (viz. Sakka) Vv 478; -- inda ruler of the 30 Sdhp 411, 478; -- gaṇa the company of the 30 Sn 679 (Com. tettiŋsa); Vv 416; -- gatin going to the 30 (as one of the gatis) Vv 3512 (=tidasabhavanaŋ gata Tāvatiŋsadevanikāyaŋ uppanna VvA 164); -- pura the city of the 30, i. e. Heaven Miln 291; -- bhavana the state of the 30, i. e. heavenly existence VvA 164 (=Tāvatiŋsabhavana).

Pali-English Dictionary, TW Rhys Davids, William Stede,