from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Having coalescent or clustered filaments.
from the GNU version of the Collaborative International Dictionary of English
- adj. Having coalescent or clustered filaments; -- said of stamens. Usually in composition.
from The Century Dictionary and Cyclopedia
- Related; in botany, having stamens united by their filaments into sets: used mostly in composition, as in monadelphous, etc.
Ancient Greek ἀδελφός (adelphos, "brother") + -ous. (Wiktionary)