Monier-Williams: A Sanskrit-English Dictionary (p. 444)
tāla, m. (Siddhnapuṅs. 25 Sch.) the palmyra tree or fan-palm (Borassus flabelliformis, producing a sort of spirituous liquor; considered as a measure of height R. iv; vi, 2, 6 Lalit. iii, xxii; forming a banner MBh. iv, vi, xvi Hariv.; to pierce seven fan-palms with one shot is held to be a great feat R. i, 1, 64 AgP. viii, 2) Mn. viii, 246 MBh. &c.; (fr. tāḍa) slapping the hands together or against one's arm, xiii, 1397 R. &c.; the flapping of an elephant's ears Ragh. ix, 71 Kathās. xii; xxi, 1 Prab. i, v; musical time or measure MBh. &c. (cf. -jña & -śīla); a dance Sāh. vi, 277; a cymbal Pañcat. BhP. viii, 15, 21; (in prosody) a trochee; a span measured by the thumb and middle finger Hcat. i, 3, 855 and 6, 171 445,1; (= tala) the palm (of the hand), L.; a lock, bolt W.; (= tala) the hilt of a sword, L.; a goldsmith Gal.; Śiva MBh. xiii, 1243; pl. N. of a people (cf. -vana and apara-) VarBṛS. xiv, 22; m. n. orpiment, L.; N. of a hell VP. ii, 6, 2 and 10 ŚivaP.; n. the nut of the fan-palm MBh. iii, 8718 Hariv. 3711 (cf. kākatālīya); the throne of Durgā (cf. manas-), L. (v.l.); mf(ī Pāṇ. 4-3, 152) n. made of palmyra wood Mn.xi, 96/97; (ā) f. (g. kuṇḍādi) see māsa-; (ī) f. (g. kuṇḍādī) N. of a tree (Corypha taliera, Corypha umbraculifera, Flacourtia cataphracta, Curculigo orchioides, L.) Hariv. 6407 R. Suśr. &c.; toddy W.; a fragrant earth, L.; = tallikā, L.; a metre of 4 x 3 long syllables; cf. ucca-, ut-, eka-, kara-, kāṃsya-, kāma-, krośa-.

Monier-Williams: A Sanskrit-English Dictionary (p. 445)
tāladruma, m. the palmyra-tree.

Tamil Lexicon, University of Madras (p. 2574)
paṉai: 1. Palmyra-palm, m. tr., Borassus flabellifer; 2. A large measure; 3. The 17th nakṣatra, 4. A fresh-water fish, rifle green, attaining 3 inches in length, Polyacanthus cupanus

Dymock, Warden, Hooper: Pharmacographia Indica (vol. III, pp. 519-520)
Borassus flabelliformis, Palmae
B. flabelliformis is the Palmyra palm of the English, and the Roudier a ‚ventails of the French. In Sanskrit it is called Tāla, and in the vernaculars Tāl, Tād, Tār, and Panai-maram. The properties of the various parts of this noble palm are described in detail in Sanskrit medical works. The root is considered to be cooling and restorative; the saccharine juice obtained from the spathe cooling and diuretic when fresh, but intoxicating when feremented; the pulp of the ripe fruit heavy and indigestible; the gelatinous contents of the unripe seeds refreshing and cooling; the embryo of the germinating seed, and the terminal bud of the tree, are used as vegetables, and are considered to be cooling, nutritive, and diuretic; the ash of the spathe is given as a remedy for enlarged spleen.
The spirit distilled from the juice of this palm is similar to that obtained from the cocoa palm.
The fine, brown, silky substance on the young petioles of the leaves of this and other palms is used as a styptic.
B, flabelliformis yields an insoluble gum, like tragacanth, but of a darker colour.
For an account of the economic uses of this palm, the reader is referred to the Dict. Econ. Prod. India, i., p. 495.