spike

US /spaɪk/
UK /spaɪk/
1.

a thin, pointed piece of metal, wood, or another rigid material.

:
prongbarbpointskewerstakespitprojectiontinenailpinspurpitonfidpricketthornspinepricklebristlespicule
2.

a sharp increase in the magnitude or concentration of something.

:
•
the oil price spike
1.

impale on or pierce with a sharp point.

:
•
she spiked another oyster
:
impalespearskewerpiercepenetrateperforatestabrun throughstickspittransfixtranspierce
2.

form into or cover with sharp points.

:
•
his hair was matted and spiked with blood