Cambridge Dictionary +Plus; My profile +Plus help; Log out ; Dictionary . Learn more. In a hospital environment, a special form of sealed bassinet is used in a … English; Learner’s Dictionary; Essential British English; Essential American English; Translations. Bassinet definition is - a baby's basketlike bed (as of wickerwork or plastic) often with a hood over one end. Includes FAQ's about bassinets & extra information; + tips for booking an airplane baby bassinet. Clear explanations of natural written and spoken English . Researched by an ex flight attendant. The updated (2020) essential guide to securing an airline bassinet seat - detailing over 50 airlines weight, height & age restrictions for bassinets on airplanes. By 5–6 months, however, fewer than 10% of babies sleep in bassinets. See more. Bassinet definition, a basket with a hood over one end, for use as a baby's cradle. Bassinet usage in the United States nearly doubled to 20% from 1992-2006. bassinet synonyms, bassinet pronunciation, bassinet translation, English dictionary definition of bassinet. Define bassinet. Greater than 45% of babies up to two months used a bassinet. n. An oblong basketlike bed for an infant. bassinet definition: 1. a small bed for a very young baby 2. a small bed for a very young baby. Definitions.