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epactal

adjective
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epac·​tal | \ (ˈ)ē¦paktᵊl, (ˈ)e¦p-, ə̇ˈp- \

Definition of epactal

of a bone
: occurring irregularly in the sutures of the skull — compare wormian bone

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History and Etymology for epactal

probably from French épactal, from Greek epaktos + French -al

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“Epactal.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/epactal. Accessed 7 Jul. 2020.

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