Boyd’s Bible Dictionary:
(longing). A friend of David (2 Sam. 19:37-38; Jer. 41:17).
Concise Bible Dictionary:
A man of Gilead, probably the son of Barzillai (Compare 1 Kings 2:7), who commended him to David on his return to Jerusalem, after the death of Absalom (2 Sam. 19:37-38,40; in ver. 40 the Hebrew reads CHIMHAN, as in the margin; Jer. 41:17).
Strong’s Dictionary of Hebrew Words:
Meaning:
from 3642; pining; Kimham, an Israelite
Jackson’s Dictionary of Scripture Proper Names:
their longing, Chimhan = their longing (feminine)
Potts’ Bible Proper Names:
Great desire; longing; pining:―probably a son of Barzillai, 2 Sam. 19:40. {Desiderium magnum}