What does "heavy cake" mean?

A cake of Cornish origin, made with flour, lard, butter, milk, sugar, and raisins.

How do you pronounce "heavy cake"?

Pronounced //ˈhɛvi ˌkeɪk//.

/ˈhɛvi ˌkeɪk/ noun

noun ·Rare ·Advanced level

Noun

1
A cake of Cornish origin, made with flour, lard, butter, milk, sugar, and raisins.

Folk-etymological alteration of hevva cake; ultimately from Cornish hedva (“swarm, shoal”).