quaternate

[kwot-er-neyt, kwuh-tur-nit]

adjective

arranged in or consisting of four parts, as the leaves of certain plants.

Origin of quaternate

1745–55; < Latin quatern(ī) four at a time + -ate1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for quaternate

Historical Examples of quaternate