terricole adjective 1noun 1forms 3 adjective1 •Ground-dwelling or growing close to the ground.Man himself is terricole in habits, with vertical carriage, and walking on two feet. — 1896 noun1 •Any insect that lives on or in the ground, especially one that is flightless.The Terricoles are the true Crane Flies, seen in damp meadows in great numbers, especially in the autumn. — 1863 formsterricoles · more terricole · most terricole