A thin liquid food of oatmeal or other meal boiled in water, sometimes with additional ingredients such as herbs, spices, or dried fruit; gruel made with water.
Origin
Late Middle English. From water + gruel.
Definition of water gruel in US English:
water gruel
nounˈwɔːtə ˌɡruːəl
A thin liquid food of oatmeal or other meal boiled in water, sometimes with additional ingredients such as herbs, spices, or dried fruit; gruel made with water.