I have looked online for a dictionary that says that dictionary means definitions.
Here's a list of online dictionaries.
http://www.onelook.com/?w=dictionary&ls=a
Maybe you can find one that says that dictionary means definitions.
here's what a couple dictionaries say.
From the free dictionary/ n. pl. dic·tion·ar·ies
1. A reference book containing an alphabetical list of words, with information given for each word, usually including meaning, pronunciation, and etymology.
2. A book listing the words of a language with translations into another language.
3. A book listing words or other linguistic items in a particular category or subject with specialized information about them: a medical dictionary.
4. Computer Science
a. A list of words stored in machine-readable form for reference, as by spelling-checking software.
b. An electronic spelling checker.
From Mariam Webster online/ dic·tio·nary
Pronunciation: 'dik-sh&-"ner-E, -"ne-rE
Function: noun
Inflected Form(s): plural -nar·ies
Etymology: Medieval Latin dictionarium, from Late Latin diction-, dictio word, from Latin, speaking
1 : a reference source in print or electronic form containing words usually alphabetically arranged along with information about their forms, pronunciations, functions, etymologies, meanings, and syntactical and idiomatic uses
2 : a reference book listing alphabetically terms or names important to a particular subject or activity along with discussion of their meanings and applications
3 : a reference book giving for words of one language equivalents in another
4 : a computerized list (as of items of data or words) used for reference (as for information retrieval or word processing)