Definition, synonyms and related words
plural of plug
"The new earbuds came with two silicone plugs, one large and one small."
Third-person singular simple present indicative form of plug
"The electrician plugs the machine into the wall outlet every morning before starting work."
In plain English: To plug something means to fill up an opening with material so nothing can get through it.
"He plugged his ears to block out the loud noise from the construction site."