a large primitive marine cetacean (basilosaurus cetoides) of the eocene epoch, with a long serpentlike body, distinctive teeth, and hind limbs
basilosaurus skeletons are very well preserved and quite common in some places in egypt and the usa, showing that they grew up to about 18m long.
latin basileus ‘king’ + -sauros ‘lizard’
the alabama doctors declared it a huge reptile, and bestowed upon it the name of basilosaurus.
moby d-ck; or the whale herman melville
- Basin range
a mountain range of the type found in the great basin region of the western u.s., typically long and narrow and characterized by faulted, tilted blocks of strata.
a globular or pointed helmet of the 14th century, often provided with a visor or aventail: evolved from the cervellière. compare great basinet. a supplementary cap that is worn underneath a helm, as an arming cap. historical examples but in the latter half of the 13th century the basinet was developed into a complete war […]
- Basing point
a geographical location from which freight charges are computed by the seller regardless of the point from which the goods are shipped. historical examples -n-lyzing these several grounds of defence, a distinction should be made at the start between three varieties of basing point. railroads: rates and regulations william z. ripley contrast between the basing […]
a circular container with a greater width than depth, becoming smaller toward the bottom, used chiefly to hold water or other liquid, especially for washing. any container of similar shape, as the pan of a balance. the quant-ty held by such a container: we need another basin of water to dilute the mixture. a natural […]
the midpoint of the anterior margin of the foramen magnum. noun (anatomy) the midpoint on the forward border of the foramen magnum basion ba·si·on (bā’sē-ŏn’, -zē-) n. the middle point on the anterior margin of the great foramen opposite the opisthion.