WordNet: ha-ha, haw-haw, sunk fence

a ditch with one side being a retaining wall; used to divide lands without defacing the landscape

• hypernym ditch

ha-ha

• (suomi) ha-ha (synonyymi)

haw-haw

• (suomi) haw-haw (synonyymi)

sunk fence

• (suomi) maisema-aita (synonyymi; <unconfirmed/>)