The most frequently used term for altar in the Hebrew Bible is x;Bez>m. This term which is derived from a root meaning to“slaughter for sacrifice." This term is used 401 times  primarily in the Pentateuch and historical books. The term is also well attested in Northwest and South Semitic languages including Ugaritic, Phoenician, Aramaic, Syriac, and Libyan.
 Francis Brown, et al. The New Brown, Driver, Briggs, Gesenius Hebrew and English Lexicon: With an Appendix Containing the Biblical Aramaic (BDB), s.v. x;Bez>m, 257 (Peabody, MA: Hendrickson Publishers, 1979).
 There are text-critical issues which might affect this count in Gen 33:20 2, Chr 28:2; and Ezra 7:17.
 x;Bez>m is used a little over fifty times in poetic and prophetic books.
 Richard E. Averbeck, “x;Bez>m ,” In New International Dictionary of Old Testament Theology and Exegesis (NIDOTTE), ed. Willem A. VanGemeren. 5 vols. (Grand Rapids, MI.: Zondervan Publishing House, 1997), 2:889.