A cultivar of lettuce (Lactuca sativa) having a slender head of oblong or obovate leaves with broad midribs. Also called cos1, cos lettuce.(noun)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "romaine" in a sentence
"Iceberg lettuce, for example, is significantly less nutritious than romaine, which is less nutritious than cabbage."
"The recalled romaine products were also sold for distribution to in-store salad bars and delis for Kroger, Giant Eagle, Ingles Markets, and Marsh stores in the states listed above, Freshway said in a press release."
"Freshway Foods of Sidney, Ohio, said it was recalling romaine lettuce sold under the Freshway and Imperial Sysco brands in 23 states and the District of Columbia because of a possible link to E. coli."