From Longman Dictionary of Contemporary Englishruskrusk /rʌsk/ noun [countable] British EnglishDFDHB a hard sweet dry bread for babies to eat
Examples from the Corpus
rusk• Maria, aged 18 months, would drink milk only with a rusk mashed up in her bottle.• Hugh Farnham was discovered in a retirement home in Florida, living under an assumed identity, obsessively chewing on his rusks.• The diet should not contain any bread or rusks.• Even low-sugar rusks can contain up to 15 percent sugar so give crusts of toast or a scrubbed carrot to gnaw on instead. 