h 4 e 1 x 8 a 1 g 2 r 1 a 1 m 3
8 letters · 21 points in Scrabble
Meaning
noun a regular polygon formed by extending each of the sides of a regular hexagon to form two equilateral triangles
originFrom hexa- + -gram.
Etymology from Wiktionary, CC BY-SA 3.0