placoderm
(noun) fish-like vertebrate with bony plates on head and upper body; dominant in seas and rivers during the Devonian; considered the earliest vertebrate with jaws
Source: WordNet® 3.1
placoderm (plural placoderms)
(palaeontology) A member of an extinct class (Placodermi) of jawed fish with armored heads and thoraces; the group lived during the Silurian and Devonian periods. [from 19th c.]
placoderm (comparative more placoderm, superlative most placoderm)
(palaeontology) Pertaining to the class Placodermi. [from 19th c.]
• proclamed
Source: Wiktionary
Plac"o*derm, n. Etym: [Gr. (Paleon.)
Definition: One of the Placodermi.
Source: Webster’s Unabridged Dictionary 1913 Edition
22 April 2025
(adjective) made smooth and bright by or as if by rubbing; reflecting a sheen or glow; “bright silver candlesticks”; “a burnished brass knocker”; “she brushed her hair until it fell in lustrous auburn waves”; “rows of shining glasses”; “shiny black patents”
International Coffee Day (September 29) is an occasion to promote and celebrate coffee as a beverage, with events occurring in places across the world. A day to promote fair trade coffee and raise awareness for the coffee growers’ plight. Other countries celebrate this event on October 1.
