a straight or arched structure across an interior angle of a square tower to carry a superstructure such as a dome 内角拱,突角拱,跨墙角拱
语源
late 15th cent.: alteration of obsolete scunch, abbreviation of scuncheon
squinch2 verb [with obj.](chiefly US)
tense up the muscles of (one's eyes or face) (主美)紧绷(眼,脸) Gina squinched her face up. 吉娜紧绷着她那张脸。 ■[no obj.](of a person's eyes) narrow so as to be almost closed, typically in reaction to strong light (眼睛由于强光)眯起来 he flicked on the inside light, which made my eyes squinch up. 他啪的一声把里面的灯打开了,灯光使我的眼睛眯了起来。 ■[no obj.]crouch down in order to make oneself seem smaller or to occupy less space (为使自己看起来更小或占更少的空间而)蹲下,蹲伏;蜷缩 I squinched down under the sheet. 我蜷缩在床单底下。
语源
early 19th cent.: perhaps a blend of the verbs squeeze and pinch