Definition of i-scream:
(n) :
The name of the Latin-script letter I/i.
(n) :
(US, roadway) Interstate.
(n) :
(metaphysics) The ego.
(n) :
(US politics) Abbreviation of independent. [A candidate or voter not affiliated with any political party, a freethinker, free of a party platform.]
(n) :
(computing) Abbreviation of instruction. [(uncountable) The act of instructing, teaching, or providing with information or knowledge.]
(n) :
(grammar) Abbreviation of instrumental case. [(grammar) A noun case used to express means or agency—and is generally indicated in English by by or with with the objective. Languages that use the instrumental case include Armenian, Serbo-Croatian, Czech, Dyirbal, Georgian, Latvian, Slovene, Polish, Ukrainian, Quechua, Russian, Assamese, Tamil, Turkish and Sanskrit. Extinct languages that used the instrumental case include Old English, Old Saxon and Old High German.]