- A carving in the base material of a denture that simulates the contours of the natural tissue that is being replaced by the denture.
- A distinguishing characteristic of certain hard tick species, consisting of small rectangular areas separated by grooves along the posterior margin of the dorsum of both males and females.
[thr. Fr. fr. L. festum, festival, hence festive decorations]
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Examples: glitazone, GI cocktail, etc.