IPA: /ˈtɜːrʃəl/
KK: /ˈtɜrʃəl/
A type of feather found on the wings of birds, specifically the longer feathers that are located closer to the body and help with flight.
The bird spread its wings, showcasing its beautiful tertial feathers.
Tertial → It is formed from "tertius" (meaning third) and the suffix "-al" (meaning relating to). The word "tertial" refers to something that is related to the third in a series or sequence.
Think of 'third' ('tertius') to remember that 'tertial' relates to the third item in a series.