Lexical Definition

‎דֹּבֶר‎ dôber (do'-ber) pasture H:N-M
from ‎דָבַר‎ (in its original sense)

fold, manner.

1) pasture
2) word, speaking

Usage: 2 forms in 2 verses
Form Translated As     In Verse(s)
כְּדָבְרָ֑ם like own pasture their Isa.5.17
הַדָּֽבְר֔וֹ pasture its Mic.2.12

Brown-Driver-Briggs

[‎דֹּ֫בֶר‎] noun [masculine] pasture (compare Aramaic ‎דַּבְרָא‎, Syriac ) — suffix ‎כְּעֵדֶר בְּתוֺךְ הַדָּֽבְרוֺ‎ as a flock in the midst of its pasture Mic 2:12 (article with suffix, compare Ges«GKC:127»§ 127, 4 b, who attaches ‎ו‎ as conjunction to following word); ‎וְרָעזּ כְבָשִׂים כְּדֳבְרָם‎ and lambs shall feed as (in) their pasture Isa 5:17.

‎דִּבֵּר‎ noun [masculine] speaking (so Ew§ 156) Jer 5:13 ‎וְהַדִּבֵּר אֵין בָּהֶם‎; according to Hi Gf Ki (less probably) verb with article for relation (see [ ‎דָּבַר‎] Pi`el): but read rather ‎הַדָּבָר‎, and the word is not in them.

Brown-Driver-Briggs References

Book Refs
Isaiah 5:17
Jeremiah 5:13
Micah 2:12