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whatsis

[hwuhts-is, hwots-, wuhts-, wots-]
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noun Informal.
  1. a thing or object whose name one does not know or cannot recall.
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Origin of whatsis

reduction of what's this
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words for whatsis

unidentified, unnamed, undisclosed, nameless, unsigned, contraption, gear, means, appliance, mechanism, machine, machinery, device, gizmo, brainchild, creation, tackle, harness, apparatus, instrument