Subterranean+passage
71swallow hole — noun a depression in the ground communicating with a subterranean passage (especially in limestone) and formed by solution or by collapse of a cavern roof • Syn: ↑sinkhole, ↑sink • Hypernyms: ↑natural depression, ↑depression * * * noun see… …
72ins and outs — (informal) DETAILS, particulars, facts, features, characteristics, nuts and bolts; informal nitty gritty. → in * * * noun plural 1. : physical twists and turns or windings and uncertainties (as of a road) knows all the ins and outs of the short… …
73Subterraneous — Subterranean Sub ter*ra ne*an, Subterraneous Sub ter*ra ne*ous, a. [L. subterraneus; sub under + terra earth. See {Terrace}.] Being or lying under the surface of the earth; situated within the earth, or under ground; as, subterranean springs; a… …
74Subterraneously — Subterranean Sub ter*ra ne*an, Subterraneous Sub ter*ra ne*ous, a. [L. subterraneus; sub under + terra earth. See {Terrace}.] Being or lying under the surface of the earth; situated within the earth, or under ground; as, subterranean springs; a… …
75arctic — arctically, adv. /ahrk tik/ or, esp. for 7, /ahr tik/, adj. 1. (often cap.) of, pertaining to, or located at or near the North Pole: the arctic region. 2. coming from the North Pole or the arctic region: an arctic wind. 3. characteristic of the… …
76Cave — For other uses, see Cave (disambiguation). Cavern redirects here. For other uses, see Cavern (disambiguation). Lechuguilla Cave, New Mexico A cave or cavern is a natural underground space large enough for a human to enter. The term applies to… …
77List of Touhou Project characters — This is a list of the characters that belong to the Touhou Project, a series of games by ZUN from Team Shanghai Alice. Most Touhou characters reside in a fictional realm called Gensokyo, where humans and yōkai coexist. Though the yōkai do often… …
78Earth Sciences — ▪ 2009 Introduction Geology and Geochemistry The theme of the 33rd International Geological Congress, which was held in Norway in August 2008, was “Earth System Science: Foundation for Sustainable Development.” It was attended by nearly… …
79Roman Catacombs — • The subject is covered under the headings: I. Position; II. History; III. Inscriptions; IV. Paintings; V. Sarcophagi; VI. Small Objects Found in the Catacombs; and VII. Catacombs outside Rome Catholic Encyclopedia. Kevin Knight. 2006. Roman… …
80Drow (Dungeons & Dragons) — Drow Characteristics Alignment Chaotic Evil or Neutral Evil Type Humanoid or fey humanoid (Elf) Image Wizards.com image Publication history …
