• n.
    ⦿a narrow depression (as in the earth or between ocean waves or in the ocean bed)
    lexical concept

Semantic relations

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Diagram
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Lexical context

wn:part of speechnoun
lexinfo:part of speechnoun
ontolex:lexicalized senseenl:trough
wn:interlingual indexili:i86347

Other

skos:is in schemeOpen English WordNet
rdfs:labeltrough