Shaped like a needle; long and very slender, with one or both ends sharp; acicular: applied in botany to the leaves of the pine, fir, yew, and other coniferous trees.
The Century Dictionary (Public Domain)
Use "needle-shaped" in a sentence
"The machine's elegant, needle-shaped silhouette – 32 feet long, 42 inches high and 48 inches wide – somehow managed to contain four Chrysler V8s, each almost as powerful as a contemporary Formula One engine, and it was Bob who drove the car across the Bonneville salt flats to a record that stood for 26 years."
"Like a Las Vegas needle-shaped fountain, every bit that goes up comes down."
"Soaring above the city like a giant needle-shaped spacecraft, it really is a wonder of modern technology and design."