decerebrate /dɪˈsɛɹəbɹət/adjective 1verb 1forms 3 adjective1 •Having the cerebrum removed.In this respect the decerebrate condition offers some resemblance to the cataleptic state. — 1908 verb1 •To remove the cerebrum in order to eliminate brain function.[…] and the correct principles of delivering it through the different straits of the pelvis after the head has been decerebrated and crushed. — 1876 formsdecerebrated · decerebrating · decerebrates