full and by

(nautical) Keeping the sails full and steering by the wind.

Japanese Meaning

（航海用語）帆を十分に広げ、風に合わせて操舵すること

The captain ordered the crew to sail full and by to hold course with the breeze.

船長は乗組員に帆をいっぱいに張り、風を頼りに操舵して進路を保つよう命じた。

Sense（1）

(nautical) Keeping the sails full and steering by the wind.

We sailed full and by for quite a while before getting down to serious navigation.