Relating to or characteristic of hemipods, a family of birds with partially developed hind toes.
From 'hemipod' plus the Latin suffix '-an', creating an adjectival form used in ornithological classification and description.
The family Turnicidae (hemipods) evolved this unusual foot structure as an adaptation to ground-living—losing the hind toe actually made them lighter and faster runners in their grassland habitats!
Complete word intelligence in one call. Free tier — 50 lookups/day.