What is "pilous"

Usage examples of "pilous".

When Pedro squinted at the two American girls as they walked from their taxi into the hotel, his Stygian eyes blinked more rapidly than usual down the slopes of his nose, and his pilous antennae vibrated like the feelers of a roach sensing feasts beneath the kitchen sink.

Aron speaks of an operation for pilous dermoid of the ovary in a woman of seventy-five.

Three seconds later a cloud of dense grey smoke erupted between the pilous of the south tower.