reefed

adjective2

1. •
   Having part of a sail tied up in order to adapt the size of the sail to the force of the wind.

   • The mainsail was "scandalised" - a nautical mode of describing a sail reefed at both ends[.] — 1887
2. •
   Semi-deployed, with the canopy initially restricted from fully opening, in order to avoid subjecting the canopy to excessive air loads or the payload to excessive g-forces from fully deploying at high airspeed.