cilium
noun
cil·i·um
| \ ˈsi-lē-əm
\
\
plural cilia\ ˈsi-lē-ə
\
\
Definition of cilium
1
: a minute short hairlike process often forming part of a fringe
especially
: one on a cell that is capable of lashing movement and serves especially in free unicellular organisms to produce locomotion or in higher forms a current of fluid
2
: eyelash
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More Definitions for cilium
cilium
noun
cil·i·um
| \ ˈsi-lē-əm
\
\
plural cilia\ ˈsi-lē-ə \
Kids Definition of cilium
: a tiny hairlike structure on the surface of some cells
cilium
noun
cil·i·um
| \ ˈsil-ē-əm
\
\
plural cilia\ -ē-ə
\
\
Medical Definition of cilium
1
: eyelash
2
: a minute, short, hairlike process that projects from the surface of most eukaryotic cells, is composed chiefly of microtubules, in unicellular organisms functions chiefly in locomotion, and in higher forms serves especially in the movement of fluids and particles (as the passage of mucus and dust from the lungs) and in sensory reception — see ciliopathy