TETRABRANCHIATA
Tet`ra*bran`chi*a"ta, n. pl. Etym: [NL. See Tetra-, and Branchia.] (Zoöl.)
Definition: An order of Cephalopoda having four gills. Among living species it includes only the pearly nautilus. Numerous genera and species are found in the fossil state, such as Ammonites, Baculites, Orthoceras, etc.
Source: Webster’s Unabridged Dictionary 1913 Edition
Recent Word Finds
Word of the Day
7 June 2025
PARSEC
(noun) a unit of astronomical length based on the distance from Earth at which stellar parallax is 1 second of arc; equivalent to 3.262 light years
Do you know this game?
Wordscapes is a popular word game consistently in the top charts of both Google Play Store and Apple App Store. The Android version has more than 10 million installs. This guide will help you get more coins in less than two minutes of playing the game. Continue reading Wordscapes: Get More Coins