[cleav.ers] n pl but sing or pl in constr [ME clivre, alter. of OE clife burdock, cleavers; akin to OE clifian] (14c): an annual bedstraw (Galium aparine) that has numerous stalked white flowers, stems covered with curved prickles, and whorls of bristle-tipped leaves; also: any of several related plants
CLEAVERS
Meaning of CLEAVERS in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012