columella

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col·u·mel·la

 (kŏl′yə-mĕl′ə, kŏl′ə-)
n. pl. col·u·mel·lae (-mĕl′ē)
Any small columnlike structure in various plants and animals, often forming the central axis of development for the organism or an anatomical structure.

[Latin, diminutive of columna, column; see column.]

col′u·mel′lar (-mĕl′ər) adj.
col′u·mel′late′ (-mĕl′āt′) adj.

columella

(ˌkɒljʊˈmɛlə)
n, pl -lae (-liː)
1. (Biology) biology
a. the central part of the spore-producing body of some fungi and mosses
b. any similar columnar structure
2. (Zoology) Also called: columella auris a small rodlike bone in the middle ear of frogs, reptiles, and birds that transmits sound to the inner ear: homologous to the mammalian stapes
[C16: from Latin: diminutive of columna column]
ˌcoluˈmellar adj

col•u•mel•la

(ˌkɒl yəˈmɛl ə)

n., pl. -mel•lae (-ˈmɛl i)
1. any of various small, columnlike structures of animals or plants; rod or axis.
2. the middle ear bone of amphibians, reptiles, and birds.
[1575–85; < Latin, diminutive of columna column; see -elle]
col`u•mel′lar, adj.
col`u•mel′late (-ɪt, -eɪt) adj.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.columella - a small column (or structure resembling a column) that is a part of a plant or animal
pillar, tower, column - anything that approximates the shape of a column or tower; "the test tube held a column of white powder"; "a tower of dust rose above the horizon"; "a thin pillar of smoke betrayed their campsite"
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