become tight or tighter

きつくなる、もっときつくなる

contract the abdominal muscles during childbirth to ease delivery

分娩時に腹筋を収縮させて出産を助ける

wring the neck of

首を絞める

constrict (someone's) throat and keep from breathing

(誰かの)喉を締め付けて呼吸を止める

constrict or bind or draw together

収縮する、締め付ける、または一緒に引き締める

constrict a hollow organ or vessel so as to stop the flow of blood or air

空洞の器官や血管を圧迫して血液や空気の流れを止める

the action or process of compressing

圧縮する行為や過程

any of various large nonvenomous snakes that kill their prey by crushing it in its coils

獲物を自身の体で巻きつけて絞め殺す大型の無毒ヘビの総称