Answer: The meaning of the word "checking" as it is used in the sentence provided is A) halting.
Step-by-step explanation: In the sentence provided, the narrator uses the verb "check" to describe the lameness that affects one of the characters. "Checking" means "halting" in this case. In other words, it means slowing and/or stopping a movement. Therefore, the narrator wants to convey the idea that the character's lameness was responsible for slowing his steps and provoking abrupt stops.