Hub-and-spoke

[huhb-uh n-spohk] /ˈhʌb ənˈspoʊk/

adjective
1.
of or designating a system of air transportation by which local flights carry passengers to one major regional airport where they can board long-distance or other local flights for their final destinations.
noun
1.
(modifier) denoting a method of organizing intercontinental air traffic in which one major airport is used as a feeder for local airports Sometimes shortened to hub

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Hubba-hubba
[huhb-uh huhb-uh] /ˈhʌb ə ˈhʌb ə/ interjection, Slang. 1. (an exclamation of admiration, approval, or enthusiasm, used especially by G.I.’s of World War II as a shout in appreciation of a pretty girl.) interjection an exclamation of approval or enthusiasm U.S. slang cry of excitement or enthusiasm, first recorded 1944. adverb Quickly; immediately; on the […]
Hubbard
[huhb-erd] /ˈhʌb ərd/ noun 1. Elbert Green, 1856–1915, U.S. author, editor, and printer. 2. L(afayette) Ron(ald) 1911–86, U.S. science-fiction writer and religious leader. 3. Mount, a mountain on the Alaska–Yukon Territory border, in the Saint Elias Mountains. 14,950 feet (4557 meters).
Hubbard-squash
noun 1. a variety of winter squash having a green or yellow skin and yellow flesh.

Hubbed
[huhb] /hʌb/ noun 1. the central part of a wheel, as that part into which the spokes are inserted. 2. the central part or axle end from which blades or spokelike parts radiate on various devices, as on a fan or propeller. 3. a center around which other things revolve or from which they radiate; […]
Hubbell
[huhb-uh l] /ˈhʌb əl/ noun 1. Carl Owen (“King Carl”; “The Meal Ticket”) 1903–88, U.S. baseball pitcher.