trifoliate [trahy-foh-lee-it, -eyt] EXAMPLES|WORD ORIGIN adjective having three leaflets, lobes, or foils; trefoil. Botany..
Sometimes tri·fo·li·at·ed [trahy-foh-lee-ey-tid] /traɪˈfoʊ liˌeɪ tɪd/. Origin of trifoliate First recorded in 1690–1700;+ Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019 Examples from the Web for trifoliate Historical Examples of trifoliate
The leaves are trifoliate, though sometimes they grow singly.
The stem of the plant is bushy and branched; the leaves are trifoliate.
Melvin Randolph Gilmore
Changed “trifoliate” to “trifoliolate” in the index entry for “Foliolate.”
The trifoliate leaves are numerous, especially on the upper portions.
Again, the old furze-bush will have its leaves converted into spines, though the seedling started with a trifoliate leaf.
British Dictionary definitions for trifoliate trifoliate trifoliated adjective having three leaves, leaflike parts, or (of a compound leaf) 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