Noun
crisphead (plural crispheads)
A lettuce (such as iceberg lettuce) with crisp tightly packed light-green leaves in a firm head.
After the 1940s, with the development of iceberg lettuce, 95 percent of the lettuce grown and consumed in the US was crisphead lettuce. Source: Internet
The lettuce variety celtuce is grown for its stem, used in Chinese cooking * Summercrisp – Also called Batavian or French crisp, this lettuce is midway between the crisphead and leaf types. Source: Internet