galliguEtymologyTerm used in Widnes (historically part of Lancashire), of unknown origin. Possibly onomatopoeic or sound-symbolic.galligu means the insoluble waste products of the Leblanc process. Lexicurio rates it Sui generis — a strength score of 87 out of 100.nounThe insoluble waste products of the Leblanc process.“Most of what is now south-central Widnes is probably underlain by galligu[…]”