1) Alfresco feast 2) Back-yard barbecue 3) Barbacue 4) Barbecue 5) Exclusively Anglo word 6) Exclusively Saxon word 7) Picnic 8) Picnic, new style 9) Summer get-together 10) Word with Anglo-Saxon origins 11) Word of purely Anglo origin Found on https://www.crosswordclues.com/clue/cookout
a party or entertainment featuring the cooking and eating of a meal out of doors. · the process of cooking and eating a meal outdoors. · a meal cooked and eaten in the open. Found on https://www.infoplease.com/dictionary/cookout