a. [f. L. acervul-us a little heap + -INE1.] Of the form or appearance of little heaps.
1875. J. W. Dawson, Dawn of Life, iv. 66. The cells became a mass of rounded chambers, irregularly piled up in … an acervuline manner.
1876. Page, Advd. Text-book of Geology, x. 192. Weathered specimen of Eozoon … with acervuline portion above and laminated below.
