tanti : [f.] a cord of lute; a secret text.

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

Tanti (f.) [Vedic tantrī, see tanta] 1. the string or cord of a lute, etc.; thread made of tendon Vin i.182; Th 2, 390 (cp. ThA 257); J iv.389; DhA i.163; PvA 151. -- 2. line, lineage (+paveṇi custom, tradition) J vi.380; DhA i.284. -- dhara bearer of tradition Vism 99 (+vaŋsânurakkhake & paveṇipolake). -- 3. a sacred text; a passage in the Scriptures Vism 351 (bahu -- peyyāla˚); avimutta -- tanti -- magga DA i.2; MA i.2.
   -- ssara string music Vin i.182; J iii.178.

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