Adjacent or in actual contact.
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con·tig·u·ous kən-'tig-yə-wəs adj being in actual contact: touching along a boundary or at a point
con·tig·u·ous·ly adv
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con·tig·u·ous (kən-tigґu-əs) [L. contiguus] in contact or nearly so.Medical dictionary. 2011.