Curved Segment of a Circle, Sphere, Not Convex
This page is the CodyCross answer for the clue below from Fauna and Flora, Group 178, Puzzle 2 (Tropical Rainforest).
Question is: Curved Segment of a Circle, Sphere, Not Convex
and the answer is: CONCAVE
Word Meaning:
CONCAVE — Curved like the inner surface of a sphere or bowl.
Definitions from Wiktionary.