ヨッツンバイ
Meanings
Noun
1. crawling on all fours; getting on one's hands and knees; falling flat
Composed of
four; four years of age; ten o'clock (old time system); Burakumin; cross grips
Examples (2 in total)
The baby was crawling on all fours.
He got down on all fours and started searching for the ring.