The main body ofa dictionary is its ______ of words.

The main body ofa dictionary is its ______ of words.
【正确答案】：definitions
【题目解析】：从题干看，这个题涉及的主题是词典的组成成份。一本词典通常包括spelling , pronunciation, definition, usage, grammar, notes, etymological information 和supplementary matter, 其中定义（definition）是词典的主要内容。