Whatchamacallit Definition & Meaning | Britannica Dictionary

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The Britannica Dictionary whatchamacallit 1 ENTRIES FOUND:

• whatchamacallit (noun)

whatchamacallit /ˈwɑːtʃəməˌkɑːlət/ /ˈwʌtʃəməˌkɑːlət/ noun plural whatchamacallits whatchamacallit /ˈwɑːtʃəməˌkɑːlət/ /ˈwʌtʃəməˌkɑːlət/ noun plural whatchamacallits Britannica Dictionary definition of WHATCHAMACALLIT [count] US, informal : something whose name you have forgotten or do not know : thingamajig

• I can't find the whatchamacallit that holds the door open.

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