Meaning
A milk cow — a cow kept for its milk, hand-milked morning and evening and grazed on pasture grass like guinea grass. A real asset on a small farm, source of fresh milk for the family and to sell. Figuratively, a 'milk cow' can be a steady source someone keeps drawing from.
Examples
-
Wi milk cow gi nuff milk.
Our milk cow gives plenty of milk.
-
Tie out di milk cow pon di guinea grass.
Tether the milk cow on the guinea grass.
Origin
'milk' + 'cow'. See [[cow]], [[guinea-grass]].
How it’s used
A cow kept for milk; figuratively a steady source drawn from.