ECRU Meaning of ECRU in English [ecru] n [F ecru, lit., unbleached, raw, fr. OF escru, fr. es- completely (fr. L ex-) + cru raw, fr. L crudus--more at raw] (1850): beige 2. -- ecru adj Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012