On Mar 18, 6:12 pm, Jeff wrote:

Thanks for that - very interesting. I looked in the 1802 edition of
Bowditch for a definition of "Heave To." There is a whole section on
variations of "heave" but nothing for "heave to." Perhaps this was
not common terminology for the ships Bowditch was concerned with.

Awwhh! Heaving to is for pleasure craft!!
There's very few situations where a pro might heave to, instead a
ships
master would chain his crew to the oars where heave and to are two
separate commands!!!