1) English musical duo 
Latin, meaning: the north wind. 
[steam yacht] Aquilo was a steam yacht which was built in Boston in 1901 for William Phelps Eno, a wealthy man who was the inventor of the stop sign. In 1910, Eno sold Aquilo and the yacht was brought to the west coast of North America, where it was operated principally in Puget Sound and coastal British Columbia. Aquilo had a long successi...[steamboat] The steamboat Aquilo operated on Lake Washington and Puget Sound in the first part of the 20th Century. ==Construction== Aquilo was built by Captain John Anderson as part of his fleet of steamboats on Lake Washington, operating under the name of the Anderson Steamboat Company. `Aquilo” was the Roman name for their god of the n...
One of several Winds.
the ancient Roman personification of the north wind. Cf. Boreas.