[ pin-yuh-leyt or pin-yuh-ley-tid ]
/ ˈpɪn yəˌleɪt or ˈpɪn yəˌleɪ tɪd /
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for pinnulate
All the Palaeozoic representatives have non-pinnulate arms, while the Mesozoic and later forms have them pinnulate.