tinman

Meaning

Noun

• A maker of tinware; a tinsmith.
• A dealer in tinware.
• An uncaring or heartless man; a man lacking, or seeming to lack, feelings, emotions, or concern for others.
• A master gene in the fruit fly Drosophila melanogaster, whose absence causes the fly to develop without a heart.

Origin

• tin + -man
• In allusion to the character Tin Man from the Land of Oz, who lacked a heart.