unijugate

[yoo-nij-uh-geyt, yoo-ni-joo-git, -geyt]

adjective Botany.

(of a pinnate leaf) having only a single pair of leaflets.

Origin of unijugate

1840–50; < Latin ūnijug(us) having one yoke (equivalent to ūni- uni- + jug(um) yoke1 + -us adj. suffix) + -ate1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for unijugate

unijugate

adjective

(of a compound leaf) having only one pair of leaflets
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012