UNDOCK
undock
(verb) take (a ship) out of a dock; “undock the ship”
undock
(verb) move out of a dock; “We undocked at noon”
Source: WordNet® 3.1
Etymology
Verb
undock (third-person singular simple present undocks, present participle undocking, simple past and past participle undocked)
(transitive) To remove (a ship) from a dock.
(transitive, computing) To remove from a docking station.
(transitive, computing) To drag (a user interface element, such as a toolbar) away from its fixed position so that it floats freely.
Source: Wiktionary
Un*dock", v. t. Etym: [1st pref. un- + dock.] (Naut.)
Definition: To take out of dock; as, to undock a ship.
Source: Webster’s Unabridged Dictionary 1913 Edition