| Front | semaphore |
|---|---|
| Back | an apparatus for conveying information by means of visual signals, as a light whose position may be changed |
Learn with these flashcards. Click next, previous, or up to navigate to more flashcards for this subject.
Next card: Shoal school fish large number persons things
Previous card: Flyspeck speck stain excrement fly
Up to card list: Sophia's Advanced English Vocabulary for Native Speakers