gravity feed

noun

the supplying of fuel, materials, etc., by force of gravity.
a system or device designed for this purpose.

Origin of gravity feed

First recorded in 1910–15

Related formsgrav·i·ty-fed

[grav-i-tee-fed] /ˈgræv ɪ tiˌfɛd/, adjective

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018