What does "pennyroyal" mean?

Mentha pulegium, a plant of the mint family, formerly much used in various medicinal treatments and as a flea repellent.

How do you pronounce "pennyroyal"?

Pronounced //pɛ̝nɪˈɹɔɪ̯əl//.

Common synonyms include: american pennyroyal, european pennyroyal, hedeoma pulegioides, mentha pulegium, mosquito plant, pennyrile.

//pɛ̝nɪˈɹɔɪ̯əl// name, noun

name, noun ·Uncommon ·Advanced level

Noun

1
Mentha pulegium, a plant of the mint family, formerly much used in various medicinal treatments and as a flea repellent.
"Dioscorides says that Pennyroyal makes thin, tough phlegm, warms the coldness of any part whereto it is applied, and digests raw or corrupt matter."
2
erect hairy branching American herb having purple-blue flowers; yields an essential oil used as an insect repellent and sometimes in folk medicine wordnet
3
A traditional old well-known song, especially a spiritual folksong. obsolete
"Offenbach and the old college airs, song and dance tunes and pennyroyals, formed the staples for the introduction of hits on manners and times."
4
Eurasian perennial mint have small lilac-blue flowers and ovate leaves; yields an aromatic oil wordnet