Noun
hole [pl. holes]
hatch [pl. hatches]
vent [pl. vents]
aperture [pl. apertures] , {Eng.}
فتحة {هندسة}
orifice [pl. orifices] , {Hyd.}
فتحة {حركة}
mouth [pl. mouths]
port [pl. ports] , {Auto.}
فتحة {سيارات}
porthole {Eng.}
فُتْحَة {هندسة}
inlet [pl. inlets]
hatchway [pl. hatchways]
pothole {geogr.}
فُتْحَةَ {جغرافيا}
socket {electricity}
sprue [pl. sprues]