To swell out or bulge.
To surge or roll in billows.
A large wave, swell, surge, or undulating mass of something, such as water, smoke, fabric or sound
To grow larger.
To extend the time allowed for compliance with (an order or rule).
To increase the capacity of; to expand; to give free scope or greater scope to; also, to dilate, as with joy, affection, etc.
To speak or write at length upon or on (some subject); expand; elaborate
To get more astern or parallel with the vessel's course; to draw aft; said of the wind.
To make (something) larger.