A trough or box for feeding livestock, especially horses and cattle. The word is straightforward and neutral.
I fed the horse hay from the manger.
Put feed into the crib in the cowshed.
Standard kanji spelling.
Variant without okurigana.
Mixed kanji-kana spelling.
Compound of 飼い葉 (かいば, 'fodder, feed') and 桶 (おけ, 'bucket, tub').