1º_ In seamanship is a rope attached to the ship that at the end is attached to the anchor, to a harpoon, to a bollard, . . . By extension, any rope that is used as a support for braces in constructions. 2º_ By the previous , is the movement of the ship when pulling a rope subject to a fixed point, by dragging, See towpath. 3º_ As a noun is the one who has the task of accessing information or secret data, hidden or private in a discreet, surreptitious, covert way. In most cases it does so for a third party, to whom it reports what is obtained. 4º_ As an adjective qualifies the previous one, in addition to any ingenuity that is used to monitor without being noticed. 5º_ Inflection of the verb spy . See verbs/spy .