HyperDic: fourth_cranial_nerve

English > 1 sense of the expression *fourth cranial nerve*:
NOUN	body	fourth cranial nerve, trochlear, trochlear nerve, trochlearis	either of the two cranial nerves on either side that control the superior oblique muscles of the eyes

English > *fourth cranial nerve*: 1 sense > noun 1, body
Meaning	Either of the two cranial nerves on either side that control the superior oblique muscles of the eyes.
Synonyms	trochlear, trochlear nerve, trochlearis
Broader	cranial nerve	Any of the 12 paired nerves that originate in the brain stem
Spanish	nervio troclear, trochlearis
Catalan	nervi patètic, trochlearis