A Roman Earthwork or Rampart
This page is the CodyCross answer for the clue below from Hobbies, Group 1418, Puzzle 4 (Basketball).
Question is: A Roman Earthwork or Rampart
and the answer is: VALLUM
Word Meaning:
VALLUM — (historical, Ancient Rome) A rampart; a wall, as in a fortification.
Definitions from Wiktionary.