Onan

Strong’s Dictionary of Hebrew Words:

Transliteration:
’Ownan
Phonic:
o-nawn’
Meaning:
a variation of 207; strong; Onan, a son of Judah
KJV Usage:
Onan

Jackson’s Dictionary of Scripture Proper Names:

their vigor (feminine): their iniquity

Potts’ Bible Proper Names:

Strong; stout; ability; powerful:―second son of Judah [ONAM], Gen. 38:4. {Valens}