Opercular

[oh-pur-kyuh-luh m] /oʊˈpɜr kyə ləm/

noun, plural opercula
[oh-pur-kyuh-luh] /oʊˈpɜr kyə lə/ (Show IPA), operculums.
1.
Botany, Zoology. a part or organ serving as a lid or cover, as a covering flap on a seed vessel.
2.
Zoology.

/əʊˈpɜːkjʊləm/
noun (pl) -la (-lə), -lums
1.
(zoology)

2.
(botany) the covering of the spore-bearing capsule of a moss
3.
(biology) any other covering or lid in various organisms
n.

1713, from Latin operculum “cover, lid,” from operire “to cover, close” (see weir), with instrumental suffix *-tlom. Related: Opercular.

operculum o·per·cu·lum (ō-pûr’kyə-ləm)
n. pl. o·per·cu·lums or o·per·cu·la (-lə)

o·per’cu·lar (-lər) adj.
operculum
(ō-pûr’kyə-ləm)
Plural opercula or operculums
A lid or flap covering an opening, such as the gill cover in some fish or the horny flap covering the opening of a snail.

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Operculate
[oh-pur-kyuh-lit, -leyt] /oʊˈpɜr kyə lɪt, -ˌleɪt/ adjective 1. having an operculum.
Operculitis
operculitis o·per·cu·li·tis (ō-pûr’kyə-lī’tĭs) n. See pericoronitis.
Operculum
[oh-pur-kyuh-luh m] /oʊˈpɜr kyə ləm/ noun, plural opercula [oh-pur-kyuh-luh] /oʊˈpɜr kyə lə/ (Show IPA), operculums. 1. Botany, Zoology. a part or organ serving as a lid or cover, as a covering flap on a seed vessel. 2. Zoology. /əʊˈpɜːkjʊləm/ noun (pl) -la (-lə), -lums 1. (zoology) 2. (botany) the covering of the spore-bearing capsule of […]

Opere-citato
[oh-pe-re ki-tah-toh; English op-uh-ree sahy-tey-toh, si-tah-toh] /ˈoʊ pɛˌrɛ kɪˈtɑ toʊ; English ˈɒp əˌri saɪˈteɪ toʊ, sɪˈtɑ toʊ/ Latin. 1. .
Operetta
[op-uh-ret-uh] /ˌɒp əˈrɛt ə/ noun 1. a short opera, usually of a light and amusing character. /ˌɒpəˈrɛtə/ noun 1. a type of comic or light-hearted opera n. “light opera,” 1775, from Italian operetta, diminutive of opera. Comic or lighthearted operas of the kind written by Gilbert and Sullivan. Operettas generally have a substantial amount of […]