Lexical Definition

‎שַׁד‎ shad (shad) breast H:N-M
or שֹׁד shôd (shode); probably from ‎שׁוּד‎ (in its original sense) contracted

breast, pap, teat.

1) breast, bosom, (female) breast
1a) breast (of woman)
1b) breast (of animal)
1c) breast (of both human and animal)

See Greek: μαστός

Brown-Driver-Briggs

[‎שַׁד‎] noun masculineHos 9:14 female breast; — absolute ‎שָׁ֑ד‎ Lam 4:3 elsewhere dual ‎שָׁדַיִם‎ Hos 9:14 +, construct ‎שְׁדֵי‎ Ezek 23:21 +, suffix ‎שָׁדַי‎ Song 1:13; Song 8:10, ‎שָׁדַיִךְ‎ Song 4:5 +, etc.; — breast:

1. of woman Hos 2:4*; Ezek 16:7; Ezek 23:3; Ezek 23:21 (‎שְׁדֵי‎ ‎נְעוּרָ֑יִךְ‎, || ‎דַּדַּיִךְ‎), vEzek 23:34 (> strike out ᵐ5 Manuscripts Co; — all these of personified People), Song 1:13; Song 4:5; Song 7:4*; Song 7:8*; Song 7:9*; Song 8:8; Song 8:10 of mother Ps 22:10*, with ‎יָנַק‎ suck Song 8:1; Job 3:12; Joel 2:15; Hos 9:14 (see [ ‎צָמַק‎]); ‎׳‎‎מִשּׁ‎ ‎עֲתִיקֵי‎ Isa 28:9 i.e. those already weaned, mature (|| ‎גְּמוּלֵי מֵךְָלָב‎). — Isa 32:12 see [‎ספד‎].

2. of animal Lam 4:3.

3. both human and animal, ‎וָרָ֑חַם‎ ‎׳‎‎בִּרְכוֺת שׁ‎ Gen 49:25 (poem in J).

II. ‎שֹׁד‎ noun masculine id. (compare the rare Arabic , Lane333 BaZMG ii. 637); — ‎׳‎‎שׁ‎ absolute, of mother Job 24:9 construct (figurative, with ‎יָנַק‎): ‎מְלָכִים‎ ‎׳‎‎שׁ‎ Isa 60:16, ‎תַּנְחֻמֶיהָ‎ ‎׳‎‎שׁ‎ Isa 66:11, i.e. the consolations of Jerusalem.

Brown-Driver-Briggs References

Book Refs
Genesis 49:25
Job 3:12 · 24:9
Psalms 22:10*
Song of Solomon 1:13 · 4:5 · 7:4* · 7:8* · 7:9* · 8:1 · 8:8 · 8:10
Isaiah 28:9 · 32:12 · 60:16 · 66:11
Lamentations 4:3
Ezekiel 16:7 · 23:3 · 23:21 · 23:34
Hosea 2:4* · 9:14
Joel 2:15