- of or related to a palpus.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for palpal
The palpal organ is outside the tarsal joint, as it is in the Mygales.
The palpal organ (fig. 268) is shorter and simpler than it is in differens.
The palpal lobes large and rounded, bulging conspicuously forward and ventrad; separated by a deep furrow.
The palpal organs and male palpi are of great variety and distinguish the males of all species without much difficulty.
The palpi are slender in both sexes, and in the male the palpal organs are small for so large a spider.