a small article the actual name of which one either does not know or cannot rememberI need one of those whatchamacallits to connect the two patch cords
I need one of those whatchamacallits to connect the two patch cords
dingus, doodad, doohickey, hickey, thingamabob, thingamajig(or thingumajig), thingummy, whatnot, whatsit(also whatsis or what-is-it)
in 1910
英语同义词词典收录了63618条英语词条，基本涵盖了全部常用同义词或反义词的辨析及翻译，是英语学习的有利工具。