| 单词 | spike |
| 释义 | spike 1. n. & v. --n 1. a a sharp point. b a pointed piece of metal, esp. the top of an iron railing etc. 2. a any of several metal points set into the sole of a running-shoe to prevent slipping. b (in pl.) a pair of running-shoes with spikes. 3. a a pointed metal rod standing on a base and used for filing news items etc. esp. when rejected for publication. b a similar spike used for bills etc. 4. a large stout nail esp. as used for railways. 5. sl. a hypodermic needle. 6. Brit. sl. a doss-house. 7. Electronics a pulse of very short duration in which a rapid increase in voltage is followed by a rapid decrease. --vtr. 1. a fasten or provide with spikes. b fix on or pierce with spikes. 2. (of a newspaper editor etc.) reject (a story) by filing it on a spike. 3. colloq. a lace (a drink) with alcohol, a drug, etc. b contaminate (a substance) with something added. 4. make useless, put an end to, thwart (an idea etc.). 5. hist. plug up the vent of (a gun) with a spike. Phrases and idioms spike a person's guns spoil his or her plans. spike heel a high tapering heel of a shoe. Etymology: ME perh. f. MLG, MDu. spiker, rel. to SPOKE(1) 2. n. Bot. 1. a flower-cluster formed of many flower-heads attached closely on a long stem. 2. a separate sprig of any plant in which flowers form a spikelike cluster. Derivatives spikelet n. Etymology: ME, = ear of corn, f. L SPICA |
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