Thom Stewart wrote:
JR,
A regulater is a sail that gets heavier toward the leech. As it gets
rolled up, in a reefing situation, it's exposed area is heavier and
flater

Thom
I have always heard these called reefing sails. Do you know where
the term 'regulater' came from? I been sailing for 25 years and it is
new to me.
JR