Enclosed Freight Container on a Train

This page is the CodyCross answer for the clue below from Fauna and Flora, Group 173, Puzzle 1 (Evolutionary Taxonomy).

Question is: Enclosed Freight Container on a Train

and the answer is: BOXCAR

Word Meaning:

BOXCAR — (rail transport, US) An enclosed railway goods wagon, typically with a sliding door.

Definitions from Wiktionary.