formīcābĭlis

e, adj.

formica

I. resembling the creeping of ants (late Lat.): pulsus, Cael. Aur. Acut. 2, 27, 145.—Also called formīcālis pulsus, Cael. Aur. Tard. 2, 14, 198; cf. formicatio and formico, II.
Lewis & Short
A Latin Dictionary, 1879
An open-access project