FLOCCUS Meaning of FLOCCUS in English [ 'flɒkəs ]■ noun ( plural flocci 'flɒksʌɪ ) a tuft of wool or similar clump of fibres.OriginC19: from L., 'lock or tuft of wool'; cf. flock 2 . Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004