Word: downcall
Part of speech: Noun
Syllables: down
call
Definition: A call from a higher-level subsystem, such as user code, to a lower-level subsystem, such as a kernel or framework.
Morphemes:
Affix: down-
Language: en
PoS: Prefix
Meaning: lower position or direction, literally or figuratively.
Affix: call
Language: en
PoS: Noun
Meaning: A reference to, or statement of, an object, course, distance, or other matter of description in a survey or grant requiring or calling for a corresponding object, etc., on the land.