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cuspidal

[kuhs-pi-dl]
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adjective
  1. of, like, or having a cusp; cuspidate.
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Origin of cuspidal

1640–50; < Latin cuspid- (stem of cuspis) point + -al1
Related formsin·ter·cus·pi·dal, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018