arrowgrass (arogras)

A common name of plants of the genus Trig loch in, especially of the common T. palustre. It is also sometimes applied generally to the members of the tribe Juncagi new, to which Trig loch in belongs, now usually included in arrow-head (ar'ō-hed), n. and a. I. n. 1. The head of an arrow.-2. An aquatic plant of the genus Sagitta ria: so called from the shape of the leaves. See Sagitta ria.-3. A belemnite. II. a. Written with arrow-headed characters: as, an arrow - head inscription. the natural order Naiadacea. arrope (a-rop'; Sp. pron. ä-rō'pā), n. [Sp. (= Pg. arrobe ), clothe,