This does depend on your question but mines was brook I hope this helps you out hopefully.
Small river.
The name given to microscopic organisms in a stream is plankton. Plankton are small organisms that float or drift in bodies of water, playing a crucial role in aquatic ecosystems as a food source for larger organisms.
A stream.
it is called a tributary
a brook or creek
Creek
the meaning for the name Brooke is 'small stream'
It is called a Weir.
Brooke is a variant spelling for the English word brook, a small stream. There is a word for a small stream in Spanish, however, it is not generally recognized as a personal name or surname. Therefore, given that there is no analogue for Brooke in Spanish, you would simply pronounce it phonetically: Bruq, or Bruk.
Stream isn't it suppose to be Creeck
A Tributary
BirnieVariant of Birney: Small River or Stream With an Island