Lebbaeus

Boyd’s Bible Dictionary:

(brave). Thaddaeus, the apostle Jude (Matt. 10:3, Mark 3:18).

Concise Bible Dictionary:

One of the twelve apostles, who was surnamed THADDAEUS, (Matt. 10:3): apparently the apostle Jude. See JUDAS.

Strong’s Dictionary of Greek Words:

Number:
3002 (find all occurrences in KJV Bible)
Greek:
Λεββαῖος
Transliteration:
Lebbaios
Phonic:
leb-bah’-yos
Meaning:
of uncertain origin; Lebbaeus, a Christian
KJV Usage:
Lebbaeus

Jackson’s Dictionary of Scripture Proper Names:

a laver (?)

Potts’ Bible Proper Names:

Praising; man of heart; courageous:―brother of James [THADDAEUS], Matt. 10:3. {Laudens; homo cordatus}