Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun cilium

2 senses of cilium

Sense 1
cilium -- (a hairlike projection from the surface of a cell; provides locomotion in free-swimming unicellular organisms)
       => organelle, cell organelle, cell organ -- (a specialized part of a cell; analogous to an organ; "the first organelle to be identified was the nucleus")

Sense 2
eyelash, lash, cilium -- (any of the short curved hairs that grow from the edges of the eyelids)
       => hair -- (a covering for the body (or parts of it) consisting of a dense growth of threadlike structures (as on the human head); helps to prevent heat loss; "he combed his hair"; "each hair consists of layers of dead keratinized cells")