divaricate
verb
[ dʌɪˈvarɪkeɪt ]
• stretch or spread apart; diverge widely.
• "her crow's feet are divaricating like deltas"
divaricate
adjective
• (of a branch) coming off the stem almost at a right angle.
Origin:
early 17th century: from Latin divaricat- ‘stretched apart’, from the verb divaricare, from di- (expressing intensive force) + varicare ‘stretch the legs apart’ (from varicus ‘straddling’).