Strong’s Greek
G3733 — ornis
The entry below is Strong’s own definition (1890, public domain), and every verse where the word occurs.
ὄρνις
ornis — pronounced or'-nis
probably from a prolonged form of the base of 3735; a bird (as rising in the air), i.e. (specially), a hen (or female domestic fowl):--hen. see GREEK for 3735
1 occurrence in the KJV.
Matthew 23:37
O Jerusalem, Jerusalem, thou that killest the prophets, and stonest them which are sent unto thee, how often would I have gathered thy children together, even as a hen gathereth her chickens under her wings, and ye would not!