adjective fos·si·form \ˈfäsəˌfȯrm, ˈfȯs-\

Definition of fossiform

  1. :  having the form of a fossa :  depressed, grooved

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Origin and Etymology of fossiform

1fossa + -iform

First Known Use: 1824

Seen and Heard

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capable of being understood in two ways

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