emerald

UK: /ˈɛm^ərəld/ US: /ˈɛmərəld/ ,(em′ər əld, em′rəld)

WordReference Random House Learner's Dictionary of American English © 2025

em•er•ald /ˈɛmərəld/   n. 

1. Jewelry [countable] a green gem, a rare kind of beryl.

adj. 

2. having a clear, deep green color.

WordReference Random House Unabridged Dictionary of American English © 2025

em•er•ald  (em′ər əld, em′rəld), n. 

1. Jewelry a rare variety of beryl that is colored green by chromium and valued as a gem.
2. See emerald green. 
3. Printing (in Britain) a 6½-point type of a size between nonpareil and minion.
4. Birds [Ornith.] any of numerous small bright green hummingbirds of the genus Chlorostilbon.

adj. 

5. having a clear, deep-green color.

• Semitic b-r-q shine ( Sanskrit marāk(a)la emerald)
• Greek smáragdos; probably ultimately
• Latin smaragdus
• Anglo-French, Old French esmeraude, esmeralde, esmeragde
• Middle English emeraude, emeralde 1250–1300

Collins Concise English Dictionary © HarperCollins Publishers::

emerald / ˈɛmərəld ˈɛmrəld/ noun

1. a green transparent variety of beryl: highly valued as a gem
2. the clear green colour of an emerald
3. (as adjective): an emerald carpet

Etymology: 13th Century: from Old French esmeraude, from Latin smaragdus, from Greek smaragdos; related to Sanskrit marakata emerald