adv. [-LY2.]
1. Below the surface of the ground.
1859. R. F. Burton, Central Afr., in Jrnl. Geogr. Soc., XXIX. 218. An edible white fungus growing subterraneously.
1890. Hardwickes Science Gossip, XXVI. 73. At no great depth beneath London and the south-eastern counties there lay the continuation subterraneously of the chain of hills represented by the Mendips in the West of England, and the Ardennes of Belgium.
2. Secretly; in the dark.
17911823. DIsraeli, Cur. Lit., Buckhm.s Pol. Coquetry, III. 349. He winded the duke circuitously,he worked at him subterraneously.
1833. T. Hook, Parsons Dau., II. xi. From the elder Miss Lovell to her brother this news was thus as it were subterraneously conveyed.
1856. De Quincey, in H. A. Page, Thomas De Quincey (1877), II. 123. What more, then, was it, my dear girls, that you were subterraneously seeking?
1912. A. Harrison, in Engl. Rev., March, 676. It is a force growing subterraneously.