lying on one's belly; belly crawl
Refers to the position of lying flat on the stomach, or the action of crawling on the belly. Often used in contexts like military training, baby development, or exercise.
The baby is playing while lying on its belly.
During training, I got down on my belly and crawled forward.
Standard spelling using 腹 (belly) and kana ばい.
Rare kanji spelling using 這う (to crawl); 腹ばい is much more common.
Compound of 腹 (はら, belly) and the continuative form of 這う (はう, to crawl), literally 'belly-crawling'.