crowd (on) sail
To spread the sail so that a vessel moves faster. We need to crowd sail if we want to reach the port before nightfall.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
crowd (on) sailNautical
To spread a large amount of sail to increase speed.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.