Definition of "chickenhawk"

Any of the North American hawk species (Cooper's hawk, sharp-shinned hawk and red-tailed hawk), or counterparts elsewhere, mistakenly believed to be pests.  examples

(US politics, derogatory) A draft dodger, especially in the Vietnam War, who nonetheless currently supports United States overseas military engagements.  examples

(derogatory, gay slang) An older, usually more powerful man who preys on adolescent boys for sex.