› a long, thin hole in something where it has broken apart: Rain was getting in through a split in the plastic sheeting.Holes, hollows and dips › a situation in which a group of people is divided into smaller groups because they disagree about something: There is a widening split between senior managers and the rest of the workforce. The tax issue has caused a split in/within the government. There was a 75/25 split in the voting.Arguing and disagreeing the splits [plural] UK (US split) › the action of sitting on the floor with your legs straight out and flat along the floor in opposite directions: Can you do the splits? Carly did a split.Exercising and trainingBallet