drillship

[ dril-ship ]
/ ˈdrɪlˌʃɪp /

noun

a ship equipped with a drill rig and engaged in offshore oil and gas exploration, oceanographic research, etc.

Origin of drillship

First recorded in 1860–65; drill1 + ship1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019