Merriam-Webster's Advanced Learner's English Dictionary
(Paperback)

Features include:

• Nearly 100,000 words and phrases
• More than 160,000 usage examples
• More than 22,000 idioms, verbal collocations, and commonly used phrases
• More than 1,000 original drawings–including 16 pages of full color art
• Abundant supplemental information including 30 pages of grammar

Merriam-Webster's Essential Learner's English Dictionary

An all-new compact and affordable dictionary designed to help students learn spoken and written English as it is actually used. © 2010

Features include:

• More than 54,000 words and phrases
• Coverage of both U.S. and British English and their differences
• More than 15,000 idioms, collocations, and commonly used phases from American and British English
• Clarifies definitions with over 78,000 example sentences and phrases
• Usage guidance through extensive labeling (old-fashioned, technical, informal, humorous, etc.), glosses (restatements to explain example phrases), count and noncount labeling, usage notes and usage paragraphs, and a table of irregular verbs.