Dictionary Definition:
Acci & (in verse) accī (f.) [Vedic arci m. & arcis nt. & f. to ṛc, cp. accati] a ray of light, a beam, flame S iv.290 (spelt acchi), 399; A iv.103; v.9; Sn 1074 (vuccati jālasikhā Nd2 11); J v.213; Miln 40; ThA 154 (dīpɔ); Sdhp 250.