spike

noun

1
sports equipment consisting of a sharp point on the sole of a shoe worn by athletes
spikes provide greater traction
2
a large stout nail
they used spikes to fasten the rails to a railroad tie
3
any holding device consisting of a rigid, sharp-pointed object
the spike pierced the receipts and held them in order
4
a long, thin sharp-pointed implement (wood or metal)
one of the spikes impaled him
5
a sharp-pointed projection along the top of a fence or wall (or a dinosaur)
6
each of the sharp points on the soles of athletic shoes to prevent slipping (or the shoes themselves)
the second baseman sharpened his spikes before every game
golfers' spikes damage the putting greens
7
a very high narrow heel on women's shoes
8
a transient variation in voltage or current
9
a sharp rise followed by a sharp decline
the seismograph showed a sharp spike in response to the temblor
10
(botany) an indeterminate inflorescence bearing sessile flowers on an unbranched axis
11
fruiting spike of a cereal plant especially corn

Also useful for “spike”:Wordle Solver— Five letters — perfect Wordle material