to shake; (of a hand or flag) to wave; (of a tail) to wag; (of a baseball bat) to swing; to move something back and forth in a circular motion

a sword, a katana / a scalpel, such as that used by a surgeon / a kind of bronze or copper money in ancient China, shaped a bit like a sword

swing, wield, flourish, wave, shake

assuming the air of, acting like it (when one is not)

(weaponry) a single-edged sword, such as a katana / a small single-edged blade

sword, knife, blade

katana (Japanese traditional sword) / blade

the vicinity of the roots of a tree

(polite) that person

(chiefly in the negative) as long as one has been alive