Answer: doohickey

AnswerCrossword Clue
DOOHICKEYWoodworker's tool
DOOHICKEYGIZMO
DOOHICKEYWhat-you-may-call-it.
DOOHICKEYWhat-do-you-call-it
DOOHICKEYThingamajig
doohickeyA small object or gadget, esp. one whose name the speaker does not know or cannot recall
doohickeya doodad, a thingy