"three-Headed" Muscle on the Back of the Upper Arm

This page is the CodyCross answer for the clue below from Space Exploration, Group 910, Puzzle 2 (Johannes Kepler).

Question is: "three-Headed" Muscle on the Back of the Upper Arm

and the answer is: TRICEPS

Word Meaning:

TRICEPS — (anatomy) Any muscle having three heads.

Definitions from Wiktionary.

Three-headed Muscle On The Back Of The Upper Arm - Space Exploration CodyCross Answers | CodyCross Solutions