aciculate
/əˈsɪkjʊlət/ /əˈsɪkjʊleɪt/Botany and Zoology
adjective
Needle-shaped, acicular. Also: (a) covered with or bearing aciculae; (b) marked as if scratched with a needle (rare ).
Origin
Mid 19th century; earliest use found in William Macgillivray (1796–1852), ornithologist and natural historian. From acicula + -ate, originally after French aciculé. Compare scientific Latin aciculatus.