(astronomy) A cloud on Jupiter that hangs out of its home belt or zone into an adjacent area forming a curved finger-like image or a complete loop back to its home belt or zone.
(acarology) Any of a series of wrinkles on the backs of some ticks.
(technology) A specific style of electric light bulb consisting of a cylindrical enclosure with two points of contact on either end providing power to the filament or diode.