| arrow grass | <botany> An herbaceous grasslike plant (Triglochin palustre, and other species) with pods opening so as to suggest barbed arrowheads. Source: Websters Dictionary (01 Mar 1998) |
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| arrow point tracing | A tracing of mandibular movements made by means of a device attached to the opposing arches; its shape resembles that of an arrowhead or a Gothic arch, and when the instrument's marking point is at the apex of the arch, the jaws are considered to be in centric relation. Synonym: arrow point tracing, Gothic arch tracing, Gothic arch, stylus tracing. (05 Mar 2000) |
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| arrow poison | Any natural toxin used for coating arrows, spears, and darts (e.g., extracts containing aconitin, ouabain, cardiac glycosides, batrachotoxin, curare, etc.). (05 Mar 2000) |
| sea arrow | <zoology> A squid of the genus Ommastrephes. See Squid. Source: Websters Dictionary (01 Mar 1998) |
| alfa grass | A plant (Macrochloa tenacissima) of North Africa; also, its fibre, used in paper making. Source: Websters Dictionary (01 Mar 1998) |
| bent grass | <botany> A reedlike grass of the genus Agrostis, especially. Agrostis vulgaris, or redtop. The name is also used of many other grasses, especially in the US. (06 Aug 1998) |
| bermuda grass | <botany> A kind of grass (Cynodon Dactylon) esteemed for pasture in the Southern United States. It is a native of Southern Europe, but is now wide-spread in warm countries. Synonym: scutch grass, and in Bermuda, devil grass. Source: Websters Dictionary (01 Mar 1998) |
| blue-eyed grass | <botany> A grasslike plant (Sisyrinchium anceps), with small flowers of a delicate blue colour. Source: Websters Dictionary (01 Mar 1998) |
| blue grass | <botany> A species of grass (Poa compressa) with bluish green stems, valuable in thin gravelly soils; wire grass. Kentucky blue grass, a species of grass (Poa pratensis) which has running rootstocks and spreads rapidly. It is valuable as a pasture grass, as it endures both winter and drought better than other kinds, and is very nutritious. Source: Websters Dictionary (01 Mar 1998) |
| brome grass | <botany> Of grasses, one species of which is the chess or cheat. Origin: L. Bromos a kind of oats, Gr. Source: Websters Dictionary (01 Mar 1998) |
| bunch grass | Any of a number of perennial grasses (family Gramineae) which grow in tight clumps and regenerate each year from deep roots. (09 Oct 1997) |
| gama grass | <botany> A species of grass (Tripsacum dactyloides) tall, stout, and exceedingly productive; cultivated in the West Indies, Mexico, and the Southern States of North America as a forage grass. Synonym: sesame grass. Origin: From Gama, a cluster of the Maldive Islands. Source: Websters Dictionary (01 Mar 1998) |
| randall grass | <botany> The meadow fescue (Festuca elatior). See Grass. Source: Websters Dictionary (01 Mar 1998) |
| para grass | <botany> A valuable pasture grass (Panicum barbinode) introduced into the Southern United States from Brazil. Source: Websters Dictionary (01 Mar 1998) |
| ray grass | <botany> A perennial European grass (Lolium perenne). Synonym: rye grass, and red darnel. See Darnel, and Grass. Italian ray, or rye, grass. See Darnel, and Grass. Origin: Etymol. Of ray is uncertain. Source: Websters Dictionary (01 Mar 1998) |
| melic grass | <botany> A genus of grasses (Melica) of little agricultural importance. Source: Websters Dictionary (01 Mar 1998) |