A person who is abused, physically or verbally, and returns to the abuser a supplicant.
A sycophant.
A child who is able to creep using his hands and knees but is not able to walk.
A crawl swimmer.
A tractor crawler, a motorized vehicle that uses caterpillar tracks instead of wheels.
A software bot that autonomously follows connected paths such as webpage links.
A mobile stage in the development of stationary hemipteran insects such as scale insects- generally the first instar