The Collaborative International Dictionary
Abrood \A*brood"\, adv. [Pref. a- + brood.]
In the act of brooding. [Obs.]
--Abp. Sancroft.
Wiktionary
a. 1 (context obsolete English) Upon a brood; hatching eggs. (Attested from around (1150 to 1350) until the late 19th century.) 2 (context figurative English) Mischief. (Attested from around (1150 to 1350) until the late 19th century.) adv. 1 (context obsolete English) Upon a brood; on a hatch. (Attested from around (1150 to 1350) until the late 19th century.)(R:SOED5: page=8) 2 (context figurative English) Mischief. (Attested from around (1150 to 1350) until the late 19th century.)
Usage examples of "abrood".
And to the tree she gooth ful hastily, And on this faucoun looketh pitously, And heeld hir lappe abrood, for wel she wiste The faucoun moste fallen fro the twiste, Whan that it swowned next, for lakke of blood.