The adjective halting is used to describe something that is fragmentary or prone to interruptions. If you are overcome with emotion at your wedding, you may choke out your vows in a halting voice. If you're afraid you might trip, take halting steps.
The adjective halting can describe something or someone with limping or disabled legs or feet. If you have sprained your ankle and it's icy out this winter, you should walk with a halting gait and walk slowly and carefully. The word halting in this sense comes from the Old English word lemphalt, which means "limping."