2. (Economics) (plural) economics the portion of the national income accruing to labour as earned income, as contrasted with the unearned income accruing to capital in the form of rent, interest, and dividends. 3. (often plural) recompense, return, or yield. 4. an obsolete word for pledge.
hyacinth noun [C]. âº a pleasant-smelling âplant with a lot of âsmall âflowers that âgrow âclose together around one âthick âstem. (Definition of hyacinth from the Cambridge Advanced Learnerâs Dictionary & Thesaurus Â© Cambridge University Press).See all translations.yacinth noun [C]. âº a pleasant-smelling âplant with a lot of âsmall âflowers that âgrow âclose together around one âthick âstem. (Definition of hyacinth from the Cambridge Advanced Learnerâs Dictionary & Thesaurus Â© Cambridge University Press).
Water hyacinth is a free-floating perennial aquatic plant (or hydrophyte) native to tropical and sub-tropical South America. With broad, thick, glossy, ovate leaves, water hyacinth may rise above the surface of the water as much as 1 meter in height. The leaves are 10â20 cm across, and float above the water surface.ichhornia crassipes, commonly known as (common) water hyacinth, is an aquatic plant native to the Amazon basin, and is often considered a highly problematic invasive species outside its native range.