Also found in: Thesaurus.
1. Rising or tending to rise.
2. Botany Slanting or curving upward; ascending.
[Latin assurgēns, assurgent-, present participle of assurgere, to rise up to : ad-, ad- + surgere, to rise; see surge.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.