basin (n.)
- alveolus
- anchorage
- antrum
- armpit
- bath
- bathtub
- bed
- berth
- bidet
- bottom
- bottomland
- bowl
- breakwater
- bulkhead
- campo
- cavity
- champaign
- channel
- cistern
- concavity
- crater
- crypt
- cup
- delta
- depression
- desert
- dip
- dishpan
- dishwasher
- dock
- dockage
- dockyard
- down
- downs
- embankment
- ewer
- fell
- flat
- flats
- floor
- fold
- follicle
- grassland
- groin
- ground
- harbor
- harborage
- haven
- heath
- hole
- hollow
- jetty
- lacuna
- landing
- lavabo
- lavatory
- level
- llano
- lowland
- lowlands
- mare
- marina
- mesa
- mole
- moor
- moorland
- pampas
- peneplain
- pier
- pit
- plain
- plains
- plateau
- porringer
- port
- prairie
- quay
- road
- roads
- roadstead
- sag
- savanna
- scoop
- seaport
- seawall
- shell
- shipyard
- shower
- sink
- sinkhole
- sinus
- slip
- socket
- steppe
- table
- tableland
- terrine
- trough
- tub
- tundra
- tureen
- upland
- vat
- vega
- veld
- washbasin
- washbowl
- washer
- washstand
- washtub
- weald
- wharf
- wold
