The phrase "to dissolve the honey" means to mix or melt the honey until it becomes liquid, often by adding heat or stirring it with a liquid. Full definition
In a glass or plastic bowl (metal can negatively affect yeast), dissolve honey in warm water. (ahintofhoney.com)
Meanwhile, in a small pot, dissolve the honey with the cream over medium heat until it becomes hot to the touch and the honey has dissolved. (beyondthepeel.net)
No heating is required, though it is much easier to dissolve the honey in warm water. (ballastpoint.com)