S: (n) ragweed, ambrosia, bitterweed (any of numerous chiefly North American weedy plants constituting the genus Ambrosia that produce highly allergenic pollen responsible for much hay fever and asthma)
S: (n) ambrosia (fruit dessert made of oranges and bananas with shredded coconut)
S: (n) ambrosia, nectar ((classical mythology) the food and drink of the gods; mortals who ate it became immortal)