Definition of whatchamacallit in English:

whatchamacallit

Syllabification: what·cha·ma·call·it
Pronunciation: /ˈ(h)wəCHəməˌkôlit
 
/

noun

informal
Used to refer to a person or thing whose name one cannot recall, does not know, or does not wish to specify: she wanted me to get the whatchamacallit from her bureau
More example sentences
  • Modern flashlights are like many other electronic gadgets, gizmos and whatchamacallits - they are high-tech.
  • I usually manage to do all my transactions online or face to face but have reached the point where I must grab the whatchamacallit by the whatsit and make two calls for work.
  • It's the van's six-month service date and it's getting a new whatchamacallit to do something to prevent a thing with the transmission.

Definition of whatchamacallit in:

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Word of the day demoralize
Pronunciation: dəˈmôrəˌlīz
verb
cause (someone) to lose confidence or hope; dispirit