An instrument having a piece to be twirled by the hand, for use in whipping eggs.(noun)
The Century Dictionary (Public Domain)
Use "egg-beater" in a sentence
"We moved him out of the crib too soon causing “boomerang bedtimes” and ended up sleeping with an egg-beater (because, truly, how else can you descirbe sleeping with a toddler?)."
"Mrs. Paul's cheery soprano, lifted in a hymn, doated through the trees, accompanied by the whirr of an egg-beater."
"Be it an ancient egg-beater to a strand of Christmas lights, Wall-E proves himself to be move of a collector/scavenger than anything."