pile-v; 3 Senses

Sense Number 1: place or lay as if in a pile

Examples:
I piled the items into my basket as if arranging them for a photo shoot.
While he piled the stuff on to the scale, Francie blinked.
We piled the brushwood to the tree-tops.
Masten had piled the bones on the floor of his granary.
The porter piled up the luggage and boxes.
I piled the papers high on my desk.

Mappings:
VerbNet: spray-9.7-1-1
FrameNet: placing
PropBank: pile.01,pile.02
WordNet 3.0 Sense Numbers: 1, 3
WordNet Verb Particle Constructions, Multiword Expressions:
pile_up 2

Sense Number 2: move as a mass into/through a small space

Examples:
Today we all piled in the car to go see 'Sorority Boys.'
Luckily, the smoke detector in our room stopped beeping before we
piled in for the night.
They piled in one after another bringing their gear.
They piled off the train singing the battle hymn.

Mappings:
VerbNet: NM
FrameNet: Filling
PropBank: pile.03
WordNet 3.0 Sense Numbers: 2

Sense Number 3: collect or gather

Examples:
Deadly nuke rods are piling up in the state burial site project in
Nevada.
Bills are piling up as debt mounts.
NAFTA-related job losses have piled up since 1993.

Mappings:
VerbNet: NM
FrameNet: NM
PropBank: pile.04
WordNet Verb Particle Constructions, Multiword Expressions:
pile_up 1, 3