संस्‍कृतशब्‍दकोशः

तर्कुपिण्ड

तकुए के निचले भाग में लगा पिण्ड

a ball of clay at the lower end of a spindle to give it motion

Monier–Williams

तर्कुपिण्ड — {piṇḍa} m. a ball (of clay &c.) at the lower end of a spindle to assist in giving it a rotatory motion L