HAMMER OUT

{v.} 1. To write or produce by hard work. * /The President sat at his desk till midnight hammering out his speech for the next day./ 2. To remove, change, or work out by discussion and debate; debate and agree on (something). * /Mrs. Brown and Mrs. Green have hammered out their difference of opinion./ * /The club members have hammered out an agreement between the two groups./ Compare: IRON OUT.