突き出し

(1)something that bulges out or is protuberant or projects from its surroundings; "the gun in his pocket made an obvious bulge"; "the hump of a camel"; "he stood on the rocky prominence"; "the occipital protuberance was well developed"; "the bony excrescence between its horns"

(2)膨れ出るか、突出しているか、その環境から突出する何か

(3)projection that extends beyond or hangs over something else

(4)何か別のものを超えて広がるか、その上に張り出すプロジェクター