a. [mod. f. L. calcāri- spur + -FORM, or a. F. calcariforme; with the same confusion of calcar with calc- as in prec.]

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  a.  ‘Shaped like a calcar or spur’ (Treas. Bot.).

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  b.  catachr. ‘Having a calcareous, rhomboidal appearance’ (Syd. Soc. Lex., 1881).

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