Formerly of a letter or word: standing at the head of a page, passage, etc. Now of a letter: having the distinctive form and size used to begin a…

Designating something which is located at the front or top, or in the leading part, of something.

Coming at the end (of a word, a series).

Standing at the beginning of a word, paragraph, or division of a book or writing, or of the alphabet: as an initial letter.

Standing at the beginning; initial. Obsolete. rare.

Written, printed, or inscribed below or underneath something; (chiefly of a letter or symbol) occupying a position below, and usually to the…

gen. Situated in a middle or intermediate position; middle; intermediate. Of a letter, sound, etc.: occurring in the middle of a word (cf. sense…

Written or printed above a text's baseline, usually to the right of another character or symbol and smaller than most others. Opposed to subscript…

Written after; opposed to subscript. Chiefly in iota adscript (cf. iota subscript at iota, n. 1).

Pertaining to, or of the nature of, epenthesis. Of a letter or sound: Inserted in the middle of a word.

Of a letter or sound: inserted by or resulting from epenthesis.

Chiefly Linguistics. That does not come at the end of a word, series, etc.