cave-v; 4 Senses

Sense Number 1: Hollow out as if making a cave or opening.

Examples:
The river was caving the banks.
Water slowly caves the seaside slopes, forming new caverns.

Mappings:
VerbNet: NP
FrameNet: NM
PropBank: NM
WordNet 3.0 Sense Numbers: 1

Sense Number 2: Explore natural caves.

Examples:
I love to cave on the weekends.
Engineers often cave as part of groundwater studies.

Mappings:
VerbNet: NP
FrameNet: NM
PropBank: NM
WordNet 3.0 Sense Numbers: 2

Sense Number 3: CAVE IN: fail, literally or metaphorically.

Commentary: Is: CAVE IN

Examples:
The wall caved in.
The business caved in yesterday.
Nimitz Freeway caved in during Tuesday's temblor.

Mappings:
VerbNet: NP
FrameNet: NM
PropBank: cave.02
WordNet Verb Particle Constructions, Multiword Expressions:
cave_in 1

Sense Number 4: Give in emotionally, politically, or ideologically to some pressure.

Commentary: Includes: CAVE IN Syntax Is: NP1[experiencer[human]] CAVE (in)

Examples:
When it theatened to use this provision as the test for a line-item
veto, Congress caved.
I finally caved in to external pressures and abandoned the study.

Mappings:
VerbNet: NP
FrameNet: Giving_in
PropBank: cave.01