From Longman Dictionary of Contemporary Englishchickweedchick‧weed /ˈtʃɪkwiːd/ noun [uncountable] HBPa garden weed with small white flowers
Examples from the Corpus
chickweed• This way, he said, they could examine the smallest of blooms - even chickweed.• Keep on chucking out the chickweed Q I have what I believe is called chickweed all over my garden.• Ballater, advancing into the garden, noticed a heap of uprooted dead cannabis tangled with chickweed on the small cleared area.Origin chickweed (1400-1500) Because it is eaten by chickens 