Revelation of Jesus Christ
From the KJV 1611 with Strong's Concordance
G2563
κάλαμος
kalamos
{kal'-am-os}
Of uncertain affinity; a reed (the plant or its stem, or that of a similar plant); by implication a pen.
pen
3 John 1:13.
reed
Matthew 11:7; 12:20; 27:29, 30, 48. Mark 15:19, 36. Luke 7:24. Revelation 11:1; 21:15.
The following translates multiple Greek words:
reed
Revelation 21:16.