We found 14 dictionaries that define the word psis:

General (8 matching dictionaries)

1. psis: Merriam-Webster
2. PSIS: Collins English Dictionary
3. psis: Vocabulary.com
4. psis: Wordnik
5. psis: Wiktionary
6. PSIS: Dictionary.com
7. PSIS: Wikipedia, the Free Encyclopedia
8. PSIS: TheFreeDictionary.com

Computing (1 matching dictionary)

9. PSIS: Encyclopedia

Medicine (2 matching dictionaries)

10. psis: Merriam-Webster Medical Dictionary
11. PSIS: Medical dictionary

Miscellaneous (2 matching dictionaries)

12. PSIS: Acronym Finder
13. AbbreviationZ (No longer online)

Slang (1 matching dictionary)

14. psis: Urban Dictionary

(Note: See psi as well.)

Definitions from Wiktionary (PSIS) ▸ noun:  (anatomy) Initialism of posterior superior iliac spine. Similar: pounds per square inch, AIIS, IASP, PSSD, PSAT, Pisa, SPPS, ICSI, BSSO, TTPS, more... Phrases: PSIS Semarang, more... Adjectives: right, other, left, most, loyal, happy, lower ▸ Words similar to psis ▸ Usage examples for psis ▸ Idioms related to psis ▸ Wikipedia articles (New!) ▸ Popular adjectives describing psis ▸ Words that often appear near psis ▸ Rhymes of psis ▸ Invented words related to psis