Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • adj. Having a connecting tube between the air bladder and a part of the alimentary canal, as in certain fishes.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. Having a duct to the air bladder.
  • adj. Relating to the Physostomi.

from the GNU version of the Collaborative International Dictionary of English

  • adj. Having a duct to the air bladder.
  • adj. Pertaining to the Physostomi.

from The Century Dictionary and Cyclopedia

  • Having the mouth and air-bladder connected by an air-duct, as a fish; specifically, of or pertaining to the Physostomi. Also physostomatous, physostome.

Etymologies

from The American Heritage® Dictionary of the English Language, 4th Edition

From Greek phūsa, bladder + Greek stoma, mouth.

Examples

  • On the other hand, the Characinidæ (a family of the physostomous fishes) are found in Africa and South America, and not in India, and even its component groups are so distributed, -- namely, the _Tetragonopterina_ [146] and the _Hydrocyonina_. [

    On the Genesis of Species

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