Lexical Definition

‎דַּד‎ dad (dad) breast H:N-M
apparently from the same as ‎דּוֹד‎

breast, teat.

1) breast, nipple, teat

Usage: 4 forms in 4 verses
Form Translated As     In Verse(s)
דַּדַּ֔יִךְ nipples your Ezek.23.21
דַּדֵּ֣י nipples of Ezek.23.8
דַּדֵּ֖י nipples of Ezek.23.3
דַּ֭דֶּיהָ breasts her Prov.5.19

Brown-Driver-Briggs

[‎דַּד‎] noun masculineProv 5:19 breast, better teat, nipple (τιτθοί Aq Prov 5:19 Symm Ezek 23:3; Ezek 23:21 Late Hebrew & Aramaic ‎דַּד‎; primitive caressing word; according to Fl in NHWBi. 489) — Du. construct ‎דַּדֵּי‎ Ezek 23:3; Ezek 23:8) both strike out ᵐ5 ᵑ6 Co); suffix ‎דַּדַּיִךְ‎ Ezek 23:21 (read ‎בתוליך‎ ᵑ6 Co); ‎דַּדֶּיהָ‎ Prov 5:19 — of breasts of woman Prov 5:19 (Hi Bi read ‎דֹּדֶיהָ‎ her love compare Prov 7:18); of Samaria & Jerusalem under figure of young women Ezek 23:3 (‎דַּדֵּי בְּתוּלֵיהֶן‎) compare vEzek 23:8 ‎דַּדַּיִךְ‎ vEzek 23:21 but probably strike out ‎׳‎‎ד‎ in Ezekiel compare above & GeiUrachrift 397. — See also ‎שַׁד‎ below ‎שׁדה‎. ‎דֹּד‎, ‎דֹּדָה‎ see below ‎דוד‎.

Brown-Driver-Briggs References

Book Refs
Proverbs 5:19 · 7:18
Ezekiel 23:3 · 23:8 · 23:21