A transient variation in voltage or current.

Roget 263: stopper, stopple; plug, cork, bung, spike, spill, stopcock, tap; rammer^†; ram, ramrod; piston; stop-gap; wadding, stuffing, padding, stopping, dossil^†, pledget^†, tompion^†, tourniquet.    cover etc. 223; valve, vent peg, spigot, slide valve.    janitor, doorkeeper, porter, warder, beadle, cerberus, ostiary^†.    ... show more

Roget 253: sharpness etc. adj.; acuity, acumination^†; spinosity^†.    point, spike, spine, spicule [Biol.], spiculum^†; needle, hypodermic needle, tack, nail, pin; prick, prickle; spur, rowel, barb; spit, cusp; horn, antler; snag; tag thorn, bristle; Adam's needle^†, bear grass [U.S.], tine, yucca.    nib, tooth, tusk; spoke, cog, ratchet.    crag, crest, arete [Fr.], cone peak, sugar loaf, pike, aiguille^†; spire, pyramid, steeple.    beard, chevaux de frise [Fr.], porcupine, hedgehog, brier, bramble, thistle; comb; awn, beggar's lice, bur, burr, catchweed^†, cleavers, clivers^†, goose, grass, hairif^†, hariff, flax comb, hackle, hatchel^†, heckle.    wedge; knife edge, cutting edge; blade, edge tool, cutlery, knife, penknife, whittle, razor, razor blade, safety razor, straight razor, electric razor; scalpel; bistoury^†, lancet; plowshare, coulter, colter^†; hatchet, ax, pickax, mattock, pick, adze, gill; billhook, cleaver, cutter; scythe, sickle; scissors, shears, pruning shears, cutters, wire cutters, nail clipper, paper cutter; sword etc. (arms) 727; bodkin etc. (perforator) 262; belduque^†, bowie knife^†, paring knife; bushwhacker [U.S.]; drawing knife, drawing shave; microtome [Micro.]; chisel, screwdriver blade; flint blade; guillotine.    sharpener, hone, strop; grindstone, whetstone; novaculite^†; steel, emery.    ... show more

Sports equipment consisting of a sharp point on the sole of a shoe worn by athletes.

Fruiting spike of a cereal plant especially corn.

synonyms: capitulum, ear.

Dutch: aar, korenaar
Polish: kłos

botany An indeterminate inflorescence bearing sessile flowers on an unbranched axis.

Dutch: bloeikolf, kolf
Polish: kłos

A sharp rise followed by a sharp decline.

A very high narrow heel on women's shoes.

synonyms: spike heel, stiletto heel.

Dutch: naaldhak
Polish: szpilka

Each of the sharp points on the soles of athletic shoes to prevent slipping (or the shoes themselves).

A sharp-pointed projection along the top of a fence or wall (or a dinosaur).

A long, thin sharp-pointed implement (wood or metal).

Any holding device consisting of a rigid, sharp-pointed object:
— The spike pierced the receipts and held them in order.

synonym: spindle.

A large stout nail.

Stand in the way of.

Pierce with a sharp stake or point.

synonyms: empale, impale, transfix.

Roget 260: open, ope^†, gape, yawn, bilge; fly open.    perforate, pierce, empierce^†, tap, bore, drill; mine etc. (scoop out) 252; tunnel; transpierce^†, transfix; enfilade, impale, spike, spear, gore, spit, stab, pink, puncture, lance, stick, prick, riddle, punch; stave in.    cut a passage through; make way for, make room for.    uncover, unclose, unrip^†; lay open, cut open, rip open, throw open, pop open, blow open, pry open, tear open, pull open.    ... show more

Dutch: doorboren, spietsen

Secure with spikes.

Bring forth a spike or spikes.

synonym: spike out.

Add alcohol to (beverages):
— The punch is spiked!.

synonyms: fortify, lace.

Manifest a sharp increase.