washboard /ˈwɑːʃˌboɚd/ noun plural washboards
plural washboards
Learner's definition of WASHBOARD
[count]
1
: a board with ridges on its surface that was used in the past for washing clothes by rubbing wet clothes against it洗衣板；搓板 ◊ Washboards are also sometimes used as musical instruments in some types of folk and country music.在某些民间和乡村音乐中，washboard（刮板）有时会被用作乐器。
2
US, informal : a group of strong and well-shaped muscles that can be seen on a person's stomach（健美的）腹肌 —
usually used before another noun通常用于另一名词前