Définitions
1.NounThe appearance of ripples or bumps on a dirt or gravel road, caused by wear from traffic, erosion, or poor grading.
2.NounA streaky appearance on solid patches of color printed on corrugated materials, resulting from the uneven pressure exerted due to corrugations.
3.NounAn unexplained behavior in which bees move across the surface of their hive with a rocking motion.
4.Verbpresent participle and gerund of washboard