preorbital

adjective
pre·​orbital

Definition of preorbital 

(Entry 1 of 2)

1 : situated in front of the orbit the preorbital membrane bone of bony fishes

2 : occurring before going into or being in orbit

preorbital

noun
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Definition of preorbital (Entry 2 of 2)

: a preorbital part especially : a large membrane bone that is situated just in front of the orbit in many teleost fishes

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History and Etymology for preorbital

Adjective

pre- + orbit + -al

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