facilitate. To quicken, in the sense here considered, is to increase speed, move or cause to move more rapidly, as through more space or with, a greater number of motions in the same time. To accelerate is to increase the speed of action or of motion. A motion whose speed increases upon itself is said to be accelerated, as the motion of a falling body, which becomes swifter with every second of time.
: one of the young unfurling fronds of some ferns that are often eaten as greens âcalled also fiddlehead fern.See fiddlehead defined for kids. ADVERTISEMENT. one of the young unfurling fronds of some ferns that are often eaten as greens âcalled also fiddlehead fern.
Other species of fern called âfiddleheadâ include the bracken fern (Pterdidium species), a family of ferns that is fairly common worldwide, eaten all over Asia and the Pacific Islands, and by some Native American groups on both the East and West Coasts of the US and Canada.he type of fiddlehead we most commonly see here on the East Coast are bright green, with tightly coiled heads delicately curled like the scroll of a violin, sometimes with bits of the forest floor still clinging to them.