Main Entry: ¹bat·ten

Pronunciation: \ˈba-t^ən\

Function: verb

Inflected Form(s): bat·tened; bat·ten·ing \ˈbat-niŋ, ˈba-t^ən-iŋ\

Etymology: probably from Old Norse batna to improve; akin to Old English betera better

Date: circa 1540

intransitive verb 1 a : to grow fat b : to feed gluttonously
2 : to grow prosperous especially at the expense of another —usually used with ontransitive verb : fatten