a. [f. as prec. + -OUS.]
† 1. Uncertain, doubtful. Obs.
1652. Gaule, Magastrom., 86. Planets amicall, benevolous as also ancipitous, and indifferent to both.
1657. Tomlinson, Renous Disp., 263. Which is the true turbith is yet ancipitous.
2. Bot. = ANCIPITAL.
a. 1859. Worcester cites Brande.
1866. Treas. Bot., 62/1. Ancipitous, two-edged, as the stem of an Iris.
1882. Baker, in Jrnl. Bot., No. 231. 70. Weinmannia Lucens, n. sp.A large tree, with branchlets ancipitous and obscurely pilose towards the tip, terete and glabrous lower down.