sIra
[ sīra , n. pl. sīrāḥ, error for sītāḥ, furrows , to Skt. sītā: (sa yadaikaṃ) halasīraṃ ( q.v. ) kṛṣati tadā sapta sīrāḥ (read sītāḥ) kṛṣṭā bhavanti Divy 124.7 , and similarly 134.7 , when he drew (plowed with) a single plow(-share), then seven furrows were plowed (by magic power). Proved by Pali Vin. i.240.18—19 ekena naṅgalena kasantassa satta sītāyo gacchanti. Corruption due to preceding (hala-)sīraṃ.]
Sīra [Vedic sīra] plough Thig-a 270 (= naṅgala).