whatsis

• n. something unspecified whose name is either forgotten or not known

  同义词： doodad doohickey doojigger gimmick gizmo gismo gubbins thingamabob thingumabob thingmabob thingamajig thingumajig thingmajig thingummy whatchamacallit whatchamacallum widget

以上来源于: WordNet