• (n.) That which shoots forth branches; one who shows growth in various directions. • (n.) A young hawk when it begins to leave the nest and take to the branches.
A young hawk that is mostly feathered but not yet fully capable of flight.
A young bird of prey old enough to leave the nest but too young to fly.
A young bird of prey which has left the nest, but is still learning to fly and is fed by its parents.
An almost fully feathered bird of prey that cant yet fly
Branch'er noun 1. That which shoots forth branches; one who shows growth in various directions. 2. (Falconry) A young hawk when it begins to leave the nest and take to the branches. 
An immature bird who can only jump from branch to branch; has developed pin feathers but has not flown.