Portuguese-English translations for vigia

lookoutWe kept a lookout all night, but nobody came.The raid failed when the lookout noticed the enemy groupEvery mans interest is his own lookout.
sentinel
us
The <xmp> tag is a sentinel that suspends web-page processing and displays the subsequent text literally.sentinel animals can be used to explore endemic diseases.He sentineled the north wall.

vigilHis dog kept vigil outside the hospital for eight days while he was recovering from an accident.The protesters kept vigil outside the conference centre in which the party congress was being held.
watch
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It could also be called a look-out post or a watch-tower. Um posto de vigia, ou antes, poder-se-ia também chamar uma torre de vigia.The sad answer to the question, 'Who watches the watchmen?' , is nobody. A triste resposta à pergunta: "quem vigia os vigilantes?" é: Ninguém. It is a society in which we will be certain that messages are confidential, that Big Brother is not watching what we read. É uma sociedade em que devemos poder estar seguros da confidencialidade das comunicações e de que o big brother não vigia o que estamos a ler.
watchman