beggar-ticks noun plural but singular or plural in construction orbeggar's-ticks\ˈ ̷ ̷ ̷ ̷ˌ ̷ ̷\ 1.: a plant of the genus Bidens 2.: the fruit of beggar-ticks (sense 1) 3.: beggar's-lice 4.: a plant of the genus Agrimonia 5.: the fruit of beggar-ticks (sense 4)