RichThesaurus
drainage basin
drainage basin
synonyms
catchment area
catchment basin
watershed
river basin
basin
drainage area
catchment basin
basin
nullah
water parting
catchment area
valley
encatchment
watershed
gutter
lake
fork
delta
gully
divide
slew
pond
dam
river basin
wellspring
bayou
sluice
river
catchment
head
arm
derivation
bottom
coulee
strait
fountain
channel
pocket
slack
tank
estuary
branch
fjord
pool
dyke
gorge
mouth
inland sea
batch
sink
drainage basin
definitions
noun
A topographic region in which all water drains to a common outlet; a watershed.