noun Date: 1851 an absent member needed to complete a series or resolve a problem, 2. a hypothetical intermediate evolutionary form between humans and their presumed simian progenitors, a hypothetical intermediate evolutionary form between one animal species or group and its presumed ancestors
MISSING LINK
Meaning of MISSING LINK in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012