Boyd’s Bible Dictionary:
(paIm-tree). (1) Widow of Er and Onan, of Judah, and mother of Pharez and Zarah, by Shelah (Gen. 38). (2) Daughter of David and sister of Absalom (2 Sam. 13:1-32). (3) Daughter of Absalom wife of Uriel and mother of Maachah, queen of Abijah (2 Sam. 14:27; 2 Chron. 13:2). (4) A frontier place in south Judah, a day’s journey from Hebron (Ezek. 47:19; 48:28).
Concise Bible Dictionary:
1. Wife of Er and Onan, and by Judah, mother of Pharez and Zarah (Gen. 38:6-30; Ruth 4:12; 1 Chron. 2:4). Called THAMAR in Matthew 1:3.
2. Daughter of David and Maachah, violated by Amnon, and avenged by Absalom in the death of Amnon (2 Sam. 13:1-32; 1 Chron. 3:9).
3. Daughter of Absalom (2 Sam. 14:27).
4. City on the southeast of Judah (Ezek. 47:19; Ezek. 48:28). Not identified. See TADMOR.
Strong’s Dictionary of Hebrew Words:
Meaning:
the same as 8558; Tamar, the name of three women and a place
Jackson’s Dictionary of Scripture Proper Names:
a palm tree
Potts’ Bible Proper Names:
Palm-tree; to be erect:―name of three women and a place [TADMOR], Gen. 38:6. {Palma}