Learn how to say Celastrus correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word bittersweet:
1(of food or drink) sweet with a bitter aftertaste:
she sipped the bittersweet drink
the ale has a fine bittersweet nutty taste
2arousing pleasure tinged with sadness or pain:
bittersweet memories of his time in London
1another term for woody nightshade (see nightshade).
2a vine-like American climbing plant which bears clusters of bright orange pods.
Genus Celastrus, family Celastraceae: several species
3 (also bittersweet shell) a widely distributed bivalve mollusc which has a pale rounded shell that is typically marked with wavy lines.
Genus Glycymeris, family Glycymeridae