From Longman Dictionary of Contemporary Englishbuckshotbuck‧shot /ˈbʌkʃɒt $ -ʃɑːt/ noun [uncountable] PMWa lot of small metal balls that are fired together from a gun
Examples from the Corpus
buckshot• Of the ten animals successfully darted, nine had buckshot or bullet wounds.• His chest and cheek the most repulsive sight, a negative constellation of buckshot bruises.• The local people naturally defend their crops, usually with totally inadequate weapons such as ancient shotguns loaded with buckshot.• The pistol she kept under her seat, on the other hand, was loaded with buckshot. 