Added 9 October 2026
thallus
/ˈθæl.əs/ noun
noun Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about thallus at Wordnik → Where our words come from →
- A plant body without true stems or roots or leaves or vascular system; characteristic of the thallophytes.
Origin
From Ancient Greek θαλλός (thallós, “young shoot, twig”), from Proto-Indo-European *dʰelh₁- (“to bloom”).
From Wiktionary, via Kaikki.org (CC BY-SA)