What does ide mean?
An ide is a shark, especially the Japanese sleeper shark, a deep-sea species recognized by its blunt snout and slow, deliberate movement. The English word is rare and appears chiefly in dictionaries, zoological reference works, and occasional discussions of unusual marine animals. Rather than serving as a general term for sleeper sharks, it most often refers to the Japanese sleeper shark, whose scientific name is Somniosus microcephalus. Because the name is so uncommon, readers may initially mistake it for an abbreviation or a spelling of another word. The word is also memorable for its resemblance in sound to “idea,” an accidental feature rather than a meaningful connection. Taxonomic descriptions should be consulted for precise identification because modern references differ from some older sources in the family classification used for the species.
nounA shark of the genus Somniosus, especially the Japanese sleeper shark, Somniosus microcephalus. The term is uncommon in modern English and is chiefly found in dictionaries and zoological literature.
- A shark of the genus Somniosus, especially the Japanese sleeper shark.
"The ide is best known for its slow, deliberate movements and its distinctive blunt snout."
"The Japanese sleeper shark is also known as the ide."
"Researchers used baited cameras to study the deep-sea movements of an ide."
The plural is used when referring to multiple members of the species or genus.
"Several ides were observed near the seabed."
An ide sounds like an “idea,” but it is actually a shark—the famously slow-moving Japanese sleeper shark.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Etymology of ide
The English word ide was borrowed from Japanese, in which it referred to a shark or similar fish. Its native Japanese derivation is not certain, so it is best not understood as an English shortening of “idea.” In English, the word remained uncommon and became especially associated with the Japanese sleeper shark.
How ide is actually used
This is a rare English noun and is mostly encountered in reference works. In modern zoological usage, the Japanese sleeper shark belongs to the family Somniosidae; older references may place it among the dogfish sharks in the broader family Squalidae.