1. [ noun ] something whose name is either forgotten or not known
Synonyms: dojigger doodad doohickey gizmo gubbins thingamabob thingumabob thingmabob thingamajig thingumajig thingmajig thingummy gismo hickey dohickey
Related terms: whatchamacallit
2. [ noun ] any clever (deceptive) maneuver
Synonyms: twist device

"he would stoop to any device to win a point"

Related terms: maneuver trick