kan·tu·ta (kän tü´tä) n. any of several decorative flowering shrubs of the genus Cantua J.Juss. ex Lam. (of the Polemoniaceae), mostly native to inland highlands of western tropical and subtropical South America. C. bicolor Lem. is the national flower of Bolivia, exhibiting the colours of that country’s flag. [< Quechua qantu kantuta]

Kentucky bluegrass n. a grass native to Europe and growing in rich soils of the northern continents (Poa pratensis L., of the Poaceae), and valuable for meadows, pastures, and lawns; June grass. Its growth is widely noted as a characteristic of the US state of Kentucky.

khus-khus (küs´küs) n. 1 vetiver. 2 couscous. [< Persian/Hindi khaskhas]

king·cup (king´kəp´) n. 1 any species of the genus Ranunculus L. (especially R. bulbosus L., of the Ranunculaceae) bearing bright yellow flowers. 2 Brit. marsh marigold. [ME]

king·dom (king´dəm) n. 1 in biology, a principal rank of taxon of a group of related organisms, ranking above all other taxa except domain; regnum. 2 any of three traditional categories of natural objects: animal, vegetable, or mineral. [< OE cyningdōm kingship]

ki·nin (kī´nin) n. any of a class of natural and artificial plant growth hormones which augment cell division and direct growth processes; cytokinin. [< Gk. kīneîn κινεῖν move, set in motion + NL -ina noun suffix denoting organic substances or compounds]

-kont (kont) comb.form, n. or adjectival suffix. of or pertaining to a flagellum or flagella possessed by a unicellular organism, or to their position. [< Gk. kontos κοντός a pole]