anthill

[ ant-hil ]
/ ˈæntˌhɪl /

noun

a mound of earth, leaves, etc., formed by a colony of ants in digging or constructing their underground nest.

Origin of anthill

1250–1300; Middle English amete hulle, ampte hille; see ant, hill

British Dictionary definitions for ant hill

ant hill

noun

a mound of soil, leaves, etc, near the entrance of an ants' nest, carried and deposited there by the ants while constructing the nest
a mound of earth, usually about 2 metres high, built up by termites in forming a nest