Strong’s Greek
G4419 — pterugion
The entry below is Strong’s own definition (1890, public domain), and every verse where the word occurs.
πτερύγιον
pterugion — pronounced pter-oog'-ee-on
neuter of a presumed derivative of 4420; a winglet, i.e. (figuratively) extremity (top corner):--pinnacle. see GREEK for 4420
2 occurrences in the KJV.
Matthew 4:5
Then the devil taketh him up into the holy city, and setteth him on a pinnacle of the temple,
Luke 4:9
And he brought him to Jerusalem, and set him on a pinnacle of the temple, and said unto him, If thou be the Son of God, cast thyself down from hence: