Stód-mere

According to the Old English Dictionary:

an ;

stód-mere

f. A brood-mare, mare with a foal :--Gif mon cú oþþe stódmyran forstele, and folan oþþe cealf of ádrífe, L. Alf. pol. 16 ; Th. i. 70, 24. [Ich am a ful stodmere, a stinckinde hore, A. R. 316, 15. Stodemere, Perceval 367 (Halliwell's Dict.). Icel. stóð-merr.] stod-mere