| plate tectonics |
(used with a singular verb) a theory that scientists use to explain the movement of continents, the eruption of volcanoes, and other changes or events in the earth's geology. The theory of plate tectonics says that the earth's crust is made up of separate sections that are like very large plates. These sections move around constantly because they float on melted rock. The movement of these sections of the crust causes earthquakes. |
| ravioli |
(used with a singular or plural verb) small packets of pasta filled with ground meat, cheese, or other similar mixtures. |
| -s1 |
a suffix used to form the third person singular present tense of all regular and most irregular verbs. |
| -'s2 |
a suffix used to form the possessive of most singular nouns, some plural nouns not ending in "s," and some pronouns. |
| sang |
past tense of "sing." |
| spade2 |
(plural, but used with a singular or plural verb) the suit of cards printed with these figures. [1/3 definitions] |
| Stars and Stripes |
(used with a singular or plural verb) the national flag of the United States. It has thirteen red and white stripes and a blue field with fifty white stars that stand for the fifty states; Old Glory. |
| sung |
the past participle of "sing." |
| taps |
(used with a singular verb) the signal played on a trumpet or drum in the U.S. military forces. Taps are used as a signal for lights to be put out, or at the end of a funeral service. |
| tiddlywinks |
(used with a singular verb) a table game in which the players press large plastic disks against the edges of small ones in order to make the small ones jump into a cup. |
| tidings |
(sometimes used with a singular verb) news or information. |
| United Nations |
(used with a singular or plural verb) an organization of many nations started in 1945 to promote world peace and understanding. |
| upstairs |
(usually used with a singular verb) the upper floor or floors of a building. [1/3 definitions] |
| was |
a past tense of the verb "be" which is used with "I," "he," "she," "it," and with singular nouns. |
| waterworks |
(used with a singular or plural verb) a system that provides water to a city or town. |
| whereabouts |
(used with a singular or plural verb) the place where a person or thing is. [1/2 definitions] |
| worm |
(plural; used with a singular verb) a disease caused by worms, or other animals that look like worms, living as parasites inside other animals. [1/7 definitions] |