Definition of "longus" []

• A long, deep-seated muscle of the neck, more fully called longus colli, lying upon the front of several cervical and dorsal vertebræ, and serving to bend the neck forward or downward. (noun)

The Century Dictionary (Public Domain)

• "Mommy thumb mainly affects two tendons — the abductor pollicis longus, or long thumb abductor, and the extensor pollicis brevis, or short thumb extensor."
• "Despite the fact that the adjective longus can be used to express lack (longe esse ab aliqua re, i.e. distance as lack), there does not seem to be any Romance equivalent to Germanic and English long as verb meaning to yearn for (as across distance)."
• "As to the muscles, there is a short flexor, a short extensor, and a ‘peronaeus longus’, while the tendons of the long flexors of the great toe and of the other toes are united together and with an accessory fleshy bundle."