1. old-fashioned To proceed in front of someone or a group as a guide or leader. As he was the only one with any training for such conditions, Tom was chosen to lead forth. Jenny led forth into the dark swamp, with the others following nervously behind.

2. old-fashioned To guide, direct, or lead someone or a group. In this usage, a noun or pronoun can be used between "lead" and "forth." The commander of the army led forth the political prisoners into the town square for their public execution. The soldiers in her squadron trusted her to lead them forth into any battle.