石せき礫れきMeanings1nounpellet; pebble; small rockarchaicArchaic word for a small stone or pebble; the modern equivalent is 小石 (こいし). The reading せきれき is rare and literary.See also: 石礫 (いしつぶて)古ふるい文ぶん献けんに「石せき礫れきを投なげる」とある。In old texts, there is a phrase 'throw a pebble'.