plural of pine
"The forest floor was covered in thick layers of fallen pines from centuries past."
Third-person singular simple present indicative form of pine
"He pines for his old hometown every summer."
In plain English: To pine means to feel very sad and longing for someone you cannot have.
"The hiker pined for home while climbing the mountain."
plural of Pine
"The forest was filled with towering pines that reached toward the sky."
The word pines is formed by adding the plural suffix -s to pine. It simply refers to multiple instances of the verb meaning to suffer from an intense longing or ache for something.