corer
From Longman Dictionary of Contemporary EnglishRelated topics: Utensilscorercor‧er /ˈkɔːrə $ -ər/ noun [countable] DFUa specially shaped knife for taking the hard centres out of fruitExamples from the Corpuscorer• Also, there is no portable submersible rotary corer that could do the job.• But an attempt to pull up a second core failed when the corer snagged and then broke off its cable.