costatelyadv.
/ˈkɒsteɪtli/, U.S. /ˈkɑˌsteɪtli/ In a costate manner.
ΚΠ
1832 C. Don Gen. Hist. Dichlamydeous Plants II. 671/1 Leaves opposite or 3 in a whorl,..glabrous on both surfaces, costately veined beneath.
1855 J. E. Gray List Mollusca Brit. Museum 23 The shell is costately variced and deeply striated.
1889 E. S. Bastin College Bot. i. iii. 197 The main veins from which branches diverge to form the reticulum may be pinnately, radiately or costately arranged.
1914 Trans. Brit. Mycol. Soc. 5 256 Stem short, root-like, white, costately ribbed, the ribs branched on the exterior of the cup, like Acetabula vulgaris.
1999 Novon 9 125/1 Costately plicate petals.
2011 Amer. Fern Jrnl. 101 166 The perispores are..imperforate and costately folded.
This is a new entry (OED Third Edition, December 2016; most recently modified version published online March 2022).
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adv.1832