pleco
noun
pleco is a noun meaning “Any of several tropical American fish, of the family Loricariidae, popular in aquaria for their ability to clean tanks by eating algae growth” (English Wiktionary, September 2026). It is spelled P-L-E-C-O, and it appears about once in every 52 million words in written English (wordfreq, 2021 data). The plural of pleco is plecos.
What does pleco mean?
noun
- 1
Any of several tropical American fish, of the family Loricariidae, popular in aquaria for their ability to clean tanks by eating algae growth.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Forms of pleco
- plecos plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
How common is pleco?
Pleco appears about once in every 52 million words in written English, the 225,584th most frequent word form in the list.
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
Where does pleco come from?
Shortened from plecostomus, from translingual Plecostomus.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).