Even (stone)
Genesis 28:18 So Jacob rose early in the morning, and he took the [stone] that he had put under his head and set it up for a pillar and poured oil on the top of it.
68. even
Strong’s Concordance
even: a stone
Original Word: אָ֫בֶן
Part of Speech: Noun Feminine
Transliteration: even
Phonetic Spelling: (eh’-ven)
Short Definition: stones
Englishman’s Hebrew Concordance (273 occurrences)
http://biblehub.com/hebrew/strongs_68.htm