pillwort

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noun

Any plant of the genus Pilularia of small aquatic ferns. The sporangia are borne in spherical sporocarps ("pills") which form in the axils of leaves.

Similar
peppergrassPilularia globulifera
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Meanings

nounpillwort (plural pillworts)

plural pillworts

  1. Any plant of the genus Pilularia of small aquatic ferns. The sporangia are borne in spherical sporocarps ("pills") which form in the axils of leaves.

    Synonyms: peppergrass

Synonyms & antonyms

nounAny plant of the genus Pilularia of small aquatic ferns. The sporangia are borne in spherical sporocarps ("pills") which form in the axils of leaves.

Similar
peppergrass

More synonyms by meaning

nounEuropean water fern found around margins of bodies of water or in wet acid soil having small globose sporocarps

Similar
Pilularia globulifera
Broader
aquatic fernwater fern

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

From pill + wort.

Full word history & related roots →
Cite this entry
APA

pillwort. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/pillwort

MLA

“pillwort.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/pillwort. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “pillwort,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/pillwort.

Source: pillwort on Wiktionary, CC BY-SA 4.0.