Word Study
retaining wall
WORDNET DICTIONARY
Noun retaining wall has 1 sense
THESAURUS
retaining wall
abutment, arc-boutant, bank, beam, breakwater, bulwark, buttress, buttress pier, buttressing, embankment, flying buttress, groin, hanging buttress, jetty, jutty, mole, pier, pier buttress, rampart, seawall, shoulder
For further exploring for "retaining wall" in Webster Dictionary Online