an object or gadget of unknown or uncertain purpose can be any shape or size may be made of any material may have any color or pattern often has multiple parts or components may have buttons, knobs, or other controls
doohickey which is an object or gadget of unknown or uncertain purpose doohickey which can be any shape or size doohickey which may be made of any material doohickey which may have any color or pattern doohickey which often has multiple parts or components doohickey which may have buttons, knobs, or other controls