Meaning

noun Queen of England as the 6th wife of Henry VIII (1512-1548)

noun a young salmon up to 2 years old

noun the young of various fishes

originCompare Scottish Gaelic bradan (“salmon”). For the salmon life stage, the word originates from the Middle English parren (“to enclose”), referring to the spots running along the side of the fish, resembling the bars of a fence.

Etymology from Wiktionary, CC BY-SA 3.0