sinkage[noun]Synonyms: depression, basin, concavity, dip, hollow, sag, sink, sinkhole
[TahlilGaran] English Synonym Dictionary ▲
sink·age (sĭng
kĭj)
n.► The process, amount, or degree of sinking.
► A sunken area; a depression.
[TahlilGaran] American Dictionary ▲