Holothurioidea
Holothurioidea Hol`o*thu`ri*oi"de*a, n. pl. [NL. See {Holothure}, and {-oid}.] (Zo["o]l.) One of the classes of echinoderms.

Note: They have a more or less elongated body, often flattened beneath, and a circle of tentacles, which are usually much branched, surrounding the mouth; the skin is more or less flexible, and usually contains calcareous plates of various characteristic forms, sometimes becoming large and scalelike. Most of the species have five bands (ambulacra) of sucker-bearing feet along the sides; in others these are lacking. In one group (Pneumonophora) two branching internal gills are developed; in another (Apneumona) these are wanting. Called also {Holothurida}, {Holothuridea}, and {Holothuroidea}. [1913 Webster]


The Collaborative International Dictionary of English. 2000.

Look at other dictionaries:

  • holothurioidea — hol·o·thu·ri·oi·dea …   English syllables

  • holothurioidea — ˌ ̷ ̷ ̷ ̷ˌ ̷ ̷ ̷ ̷ˈȯidēə noun plural Usage: capitalized Etymology: New Latin, from Holothuria + oidea : a class of echinoderms comprising the sea cucumbers and having a more or less elongate form usually with well marked bilateral symmetry and… …   Useful english dictionary

  • Holothurida — Holothurioidea Hol o*thu ri*oi de*a, n. pl. [NL. See {Holothure}, and { oid}.] (Zo[ o]l.) One of the classes of echinoderms. Note: They have a more or less elongated body, often flattened beneath, and a circle of tentacles, which are usually much …   The Collaborative International Dictionary of English

  • Holothuridea — Holothurioidea Hol o*thu ri*oi de*a, n. pl. [NL. See {Holothure}, and { oid}.] (Zo[ o]l.) One of the classes of echinoderms. Note: They have a more or less elongated body, often flattened beneath, and a circle of tentacles, which are usually much …   The Collaborative International Dictionary of English

  • Holothuroidea — Holothurioidea Hol o*thu ri*oi de*a, n. pl. [NL. See {Holothure}, and { oid}.] (Zo[ o]l.) One of the classes of echinoderms. Note: They have a more or less elongated body, often flattened beneath, and a circle of tentacles, which are usually much …   The Collaborative International Dictionary of English

  • Голотурии — (Holothurioidea) класс типа иглокожих (Echinodermata, см.), отличаются от других представителей того же типа червеобразным телом, кожистыми наружными покровами, заключающими в себе известковые тельца, отсутствием наружной мадрепоровой пластинки,… …   Энциклопедический словарь Ф.А. Брокгауза и И.А. Ефрона

  • beche de mer — Holothurian Hol o*thu ri*an, a. (Zo[ o]l.) Belonging to the Holothurioidea. n. One of the Holothurioidea. [1913 Webster] Note: Some of the species of Holothurians are called {sea cucumbers}, {sea slugs}, {trepang}, and {b[^e]che de m[ e]r}. Many… …   The Collaborative International Dictionary of English

  • Holothurian — Hol o*thu ri*an, a. (Zo[ o]l.) Belonging to the Holothurioidea. n. One of the Holothurioidea. [1913 Webster] Note: Some of the species of Holothurians are called {sea cucumbers}, {sea slugs}, {trepang}, and {b[^e]che de m[ e]r}. Many are used as… …   The Collaborative International Dictionary of English

  • sea cucumbers — Holothurian Hol o*thu ri*an, a. (Zo[ o]l.) Belonging to the Holothurioidea. n. One of the Holothurioidea. [1913 Webster] Note: Some of the species of Holothurians are called {sea cucumbers}, {sea slugs}, {trepang}, and {b[^e]che de m[ e]r}. Many… …   The Collaborative International Dictionary of English

  • sea slugs — Holothurian Hol o*thu ri*an, a. (Zo[ o]l.) Belonging to the Holothurioidea. n. One of the Holothurioidea. [1913 Webster] Note: Some of the species of Holothurians are called {sea cucumbers}, {sea slugs}, {trepang}, and {b[^e]che de m[ e]r}. Many… …   The Collaborative International Dictionary of English

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