Nounouter moat (of a castle)

Nouninner moat; moat within the castle walls

Nounfish pond (artificially stocked); fishing pond

Noundry moat

Nounascending trench or pathway cut into a naturally-occurring slope

Nounmoat; horizontal trench

Nounirrigation ditch

Noun, Suru verbdigging deeply (below the surface); mining deep · probing deeply (issue, problem); investigating thoroughly · deepening relations

Nounleaving someone behind; abandoning someone; marooning someone