Lexical Definition

‎עַי‎ ʻAy (ah'ee) Ai N:N--L
or (feminine) עַיָּא ʻAyâʼ (ah-yaw'); (Nehemiah 11:31), or עַיָּת ʻAyâth (ah-yawth'); (Isaiah 10:28), for ‎עִי‎

Ai, Aija, Aijath, Hai.

1) a city lying east of Bethel and beside Bethaven near Jericho and the second city taken on the invasion of Canaan
2) a city of the Ammonites on the east of the Jordan and apparently attached to Heshbon

Brown-Driver-Briggs

‎עַי‎, ‎עַיָּ֑ת‎, ‎עַיָּה‎40 proper name, of a location Αγγαι (Genesis), Γαι:

1. old Canaanite city, ‎עַי‎ always with article ‎הָעַי‎ (‎הָעָ֑י‎ Gen 13:3 +), near Bethel to the southeast (exact site unknown, compare DiJosh 7:2 BuhlGeogr. 177), Gen 12:8 (J), Gen 13:3 (J), Josh 7:2 (twice in verse); Josh 7:3; Josh 7:4; Josh 7:5; Josh 8:1 (twice in verse); Josh 8:2; Josh 8:3 + 18 t. Josh 8 (+ Qr vJosh 8:12 vJosh 8:16, but improbable, Kt ‎עיר‎, compare Di), Josh 9:3; Josh 10:1 (twice in verse); Josh 10:2 (all J E), Josh 12:9 (D), Ezra 2:28 = Neh 7:32 = ‎עַיָּת‎ Isa 10:28 ‎עַיָּה‎ (so Baer Ginsb, > ‎עַיָּא‎ van d. H.) Neh 11:31, so read also (for ‎עַזָּה‎ q. v. near the end) 1Chr 7:28.

2. east Jordan city Jer 49:3 (+ ‎חֶשְׁבוֺן‎), but read ‎עָר‎ city (?) Gf RothstKau Co (‎הָעִיר‎ ?).

‎עִי‎ see I. ‎עוה‎. ‎עַיָּא‎ see ‎עַי‎. ‎עיב‎ see ‎עוב‎.‎עֵיבָל‎ see ‎עוֺבָל‎ below ‎עבל‎. ‎עַיָּה‎ see ‎עַי‎. p. 716, above

Brown-Driver-Briggs References

Book Refs
Genesis 12:8 · 13:3
Joshua 7:2 · 7:3 · 7:4 · 7:5 · Chapter 8 · 8:1 · 8:2 · 8:3 · 8:12 · 8:16 · 9:3 · 10:1 · 10:2 · 12:9
1 Chronicles 7:28
Ezra 2:28
Nehemiah 7:32 · 11:31
Isaiah 10:28
Jeremiah 49:3