one's herald, an official messenger in uniform / an emissary, a special envoy

vibration bath, a bath charged with an electric current strong enough to stimulate muscles and create a tingling sensation but low enough to be safe for healthy people

hammock (swinging couch or bed)

time limit, deadline, cutoff / time frame

tape measure

convex

The imperial palace

義治, 善治, 良栄, 嘉晴: a male given name

(especially business) a campaign

vast numbers, millions