water system
noun
1A river and its tributaries, considered as a unit; (in early use also) a group of connected rivers and streams (rare ).
2 Zoology = water-vascular system ( rare ).
Origin
Mid 19th century; earliest use found in The Penny Cyclopaedia.
- parasol pine
- parasol plant
- parasol skirt
- parasomnia
- parasorbic
- parasphenoid
- parasphenoidal
- paraspinal
- parastas
- parastatal
- parastate
- parasternal
- parasternal line
- parasternal region
- parastichy
- parastigmatic
- parasuicidal
- parasuicide
- parasymbiont
- parasymbiosis
- parasymbiotic
- parasympathetic
- parasympatheticomimetic
- parasympatholytic
- parasympathomimetic