thingamajig

and thingy (ˈθɪŋəmədʒɪg and ˈθɪŋi)

n. a gadget for which the proper name has been forgotten or is unknown. Hand me that thingamajig with the copper base, will you?

Name	Pronounced	Usage
Harding	['ha:diŋ]
Tighearnach	TEER-nakh	Irish
Sadhbh	SIEV (Irish)	Irish, Irish Mythology
Efthymia	-	Greek
Alexis	ah-LEK-sis (German), al-ek-SEE (French), ə-LEK-sis (English)	German, French, English, Greek, Ancient Greek
Reynold	REN-əld	English