Definition of palpal in English:

palpal

adjective

Zoology
  • See palp

    • ‘Males were allowed only one palpal insertion with each mate as males are functionally sterile after each palp is used once, but sufficient sperm is transferred in a single copulation to fertilize all of the female's eggs.’
    • ‘And if you're more interested in how arachnids do it with palpal specializations than molluscan harpoons, I've got an article on how spiders mate.’
    • ‘In successful matings, the time of the first palpal insertion and which palp was inserted were noted.’
    • ‘The sperm is then absorbed with the palpal organ, where it is stored until mating.’

Pronunciation

palpal

/-pəl/