We found 49 dictionaries that define the word orifice:

General (27 matching dictionaries)

1. orifice: Longman Dictionary of Contemporary English
2. orifice: Merriam-Webster
3. orifice: Oxford Learner's Dictionaries
4. orifice: American Heritage Dictionary of the English Language
5. orifice: Collins English Dictionary
6. orifice: Vocabulary.com
7. Orifice, orifice: Wordnik
8. orifice: Cambridge Advanced Learner's Dictionary
9. orifice: Wiktionary
10. orifice: Webster's New World College Dictionary, 4th Ed.
11. orifice: The Wordsmyth English Dictionary-Thesaurus
12. orifice: Infoplease Dictionary
13. orifice: Dictionary.com
14. orifice: Online Etymology Dictionary
15. Orifice: Wikipedia, the Free Encyclopedia
16. Orifice: Online Plain Text English Dictionary
17. orifice: Webster's Revised Unabridged, 1913 Edition
18. orifice: Rhymezone
19. orifice (m): AllWords.com Multi-Lingual Dictionary
20. orifice: Webster's 1828 Dictionary
21. orifice: FreeDictionary.org
22. orifice: Mnemonic Dictionary
23. orifice: TheFreeDictionary.com
24. orifice: Wikimedia Commons US English Pronunciations
25. orifice: AllWords.com Multi-Lingual Dictionary

Art (1 matching dictionary)

26. Natural Magick (No longer online)

Business (1 matching dictionary)

27. Construction Term Glossary (No longer online)

Computing (1 matching dictionary)

28. orifice: Encyclopedia

Medicine (7 matching dictionaries)

29. orifice: Merriam-Webster Medical Dictionary
30. Dorland's Illustrated Medical Dictionary (No longer online)
31. Orifice: MedTerms.com Medical Dictionary
32. online medical dictionary (No longer online)
33. Orifice: Gray's Anatomy (1918)
34. orifice: Medical dictionary
35. Orifice: Drug Medical Dictionary

Miscellaneous (1 matching dictionary)

36. orifice: Wordcraft Dictionary

Science (4 matching dictionaries)

37. Archaeology Wordsmith (No longer online)
38. Bryological (No longer online)
39. Flora of New South Wales (No longer online)
40. Orifice: The Orchid Lady's Illustrated Orchid Encyclopedia

Slang (1 matching dictionary)

41. orifice: Green’s Dictionary of Slang

Tech (6 matching dictionaries)

42. AUTOMOTIVE TERMS (No longer online)
43. Glossary of Composite Terms (No longer online)
44. Glossary of Common Hearth and Heating Terms (No longer online)
45. Lake and Water Word Glossary (No longer online)
46. National Weather Service Glossary (No longer online)
47. ORIFICE: Power Engineering

(Note: See orifices as well.)

Definitions from Wiktionary ( ) ▸ noun:  A mouth or aperture, such as of a tube, pipe, etc.; an opening. ▸ noun:  (slang, derogatory) A stupid or objectionable person. Similar: opening, ostium, foramen, osculum, mouth, aditus, fenestra, urostomy, earhole, meatus, more... Types: mouth, nose, ear, anus, urethra, tear duct, ureter, bronchus, more... Phrases: Orifice plate, urethral orifice, vaginal orifice, ureteral orifice, anal orifice, more... Adjectives: vaginal, small, urethral, external, mitral, ureteral, cardiac, anal, aortic, internal, pyloric Colors:     crimson,     burgundy,     maroon,     scarlet,     ruby, more... ▸ Word origin ▸ Words similar to orifice ▸ Usage examples for orifice ▸ Idioms related to orifice ▸ Wikipedia articles (New!) ▸ Popular adjectives describing orifice ▸ Words that often appear near orifice ▸ Rhymes of orifice ▸ Invented words related to orifice