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Definition of silybum
silybum
/ˈsɪlɪbəm/
sil · y · bum
Plural:silybums
silybum Lexical Profile
CEFR
C2
Grade
13
Tier
3
Usage
Rare
Syllables
3
• noun
1
Any robust annual or biennial flowering plant of the genus Silybum in the daisy family Asteraceae, native to the Mediterranean region and commonly known as milk thistle, having glossy green leaves marbled with white veins and solitary, spiny-bracted flower heads of reddish-purple to magenta tubular blossoms.
Synonyms
View all synonyms for silybumUsage Trend
Historical frequency of usage in published text.
180019102020
Data source: Google Books Ngram Viewer
Cite this Entry
Wordmom. (2026). Definition of Silybum. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/silybum