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Definition of sirex
sirex
/ˈsaɪ.rɛks/
si · rex
Plural:sirexes
sirex Lexical Profile
CEFR
C2
Grade
12
Tier
3
Usage
Rare
Syllables
2
sirex Game Scores & Validity
Scrabble US
Scrabble UK
WWF
Wordle Guess
• noun
1
Any of various large, non-stinging wood wasps of the genus Sirex (family Siricidae), whose larvae bore into the wood of coniferous trees, often causing significant ecological and economic damage.
Example
"The forestry department implemented strict quarantine measures to prevent the spread of the invasive sirex among the region's vulnerable pine plantations."
Synonyms
View all synonyms for sirex• Rhymes for sirex
Word Origin & Etymology
Derived from Modern Latin Sirex (a genus name coined by Carl Linnaeus in 1761), possibly adapted from Greek 'seirēn' (siren), referencing the noise made by the insect during flight.
Usage Trend
Historical frequency of usage in published text.
180019102020
Data source: Google Books Ngram Viewer
Cite this Entry
Wordmom. (2026). Definition of Sirex. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/sirex