簇蠶
謂讓蠶上簇作繭 That allow for the cocoon of silkworm Shangcu  謂讓蠶上簇作繭。《醒世姻緣傳》第二四:“已是四月半天氣;又忙劫劫打草苫,擰繩索,收拾割麥。婦人亦收拾簇蠶。”