Strong’s Greek
G5214 — humneo
The entry below is Strong’s own definition (1890, public domain), and every verse where the word occurs.
ὑμνέω
humneo — pronounced hoom-neh'-o
from 5215; to hymn, i.e. sing a religious ode; by implication, to celebrate (God) in song:--sing a hymn (praise unto). see GREEK for 5215
4 occurrences in the KJV.
Matthew 26:30
And when they had sung an hymn, they went out into the mount of Olives.
Mark 14:26
And when they had sung an hymn, they went out into the mount of Olives.
Acts 16:25
And at midnight Paul and Silas prayed, and sang praises unto God: and the prisoners heard them.
Hebrews 2:12
Saying, I will declare thy name unto my brethren, in the midst of the church will I sing praise unto thee.