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"膨れ出るか、突出しているか、その環境から突出する何か隆起
例:The bony excrescence between its horns. 角の間の骨が多い突出物。