a. Zool. [f. as prec. + -OUS.] Inhabiting the ground, not aquatic or aerial; living in the earth; spec. of or belonging to the Terricolæ or earthworms; = TERRICOLE 2.

1

1835–6.  Todd’s Cycl. Anat., I. 167/1. In the terricolous annelida there are no cirri.

2

1860.  Mayne, Expos. Lex., Terricolus,… living on or in the earth, as the Harpalus terricola. Applied by Latreille and Macquart to a group … of the Tipularia which deposit their eggs in the earth…: terricolous.

3

1877.  Huxley, Anat. Inv. Anim., v. 220. In the terricolous forms (Lumbricus) the vast deferentia are continuous with the testes.

4

1881.  Darwin, Veg. Mould, 247. In the same manner as gallinaceous and struthious birds swallow stones to aid in the trituration of their food, so it appears to be with terricolous worms.

5