Double-edged and Lefthander

Double-edged adjective - Consisting of two members or parts that are usually joined.

Lefthander and double-edged are semantically related. In some cases you can replace term "Lefthander" with "Double-edged", this terms are similar.

Lefthander noun - A baseball pitcher who throws the ball with the left hand.

Double-edged and lefthander are semantically related. Sometimes you can use "Double-edged" instead an adjective "Lefthander".