draw a sponge over the slate

English

Alternative forms

Etymology

In reference to a wet sponge being used to wipe a writing slate clean.

Verb

draw a sponge over the slate (third-person singular simple present draws a sponge over the slate, present participle drawing a sponge over the slate, simple past drew a sponge over the slate, past participle drawn a sponge over the slate)

  1. (obsolete) Synonym of wipe the slate clean. [19th century]
    Synonym: pass a sponge over the slate
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