crawling on all fours with buttocks raised
Describes a specific crawling posture where the hands and knees are on the ground but the buttocks are lifted high. Often used for babies or in playful contexts.
The baby is crawling around the room on all fours with its bottom up.
Wiping the floor in a high-crawling position puts strain on your lower back.
Compound of 高 (たか, 'high') and 這い (ばい, the nominalized form of 這う 'to crawl'), literally 'high crawling'.