| ALCATRAS | • alcatras n. (Obsolete) Any of various large ocean birds, such as the pelican, gannet, frigatebird, or albatross. • ALCATRAS n. (Arabic) a kind of large water bird. |
| ALTHAEAS | • althaeas n. Plural of althaea. • ALTHAEA n. (Greek) a genus of plants of the mallow family, that includes the garden hollyhock, also ALTHEA. |
| APLANATS | • aplanats n. Plural of aplanat. • APLANAT n. an aplanatic lens, i.e. one free from spherical aberration. |
| ASTRAGAL | • astragal n. (Anatomy) Synonym of astragalus: the bone forming the ball of the ankle joint. • astragal n. A die, especially a four-sided die historically made from or in imitation of an ankle bone. • astragal n. (Architecture) A semicircular molding separating the architrave at the top or bottom of a column. |
| ATALAYAS | • ATALAYA n. (Spanish) a watchtower. |
| CANTALAS | • cantalas n. Plural of cantala. • CANTALA n. a coarse fibre used in making strong thread or twine. |
| CATALASE | • catalase n. An enzyme found in the liver that catalyses the decomposition of hydrogen peroxide to water and oxygen. • CATALASE n. an enzyme that reduces hydrogen peroxide. |
| CATALPAS | • catalpas n. Plural of catalpa. • CATALPA n. a tree of the genus Catalpa, of the bignonia family, with heart-shaped leaves, trumpet-shaped flowers, and long pods. |
| GALATEAS | • galateas n. Plural of galatea. • GALATEA n. a durable cotton cloth, often striped. |
| LANTANAS | • lantanas n. Plural of lantana. • LANTANA n. a tropical shrub of the vervain family. |
| LATAKIAS | • latakias n. Plural of latakia. • LATAKIA n. a superior quality of Turkish smoking tobacco. |
| PALATALS | • palatals n. Plural of palatal. • PALATAL n. a sound made with the palate. |
| SALARIAT | • salariat n. (Economics) Salary earners as a class or group, often as opposed to wage earners. • SALARIAT n. (French) the class of salaried persons. |
| SATRAPAL | • satrapal adj. Of, related to, or in the manner of a satrap or a satrapy. • SATRAPAL adj. of or pertaining to a satrap, or a satrapy. |
| STALAGMA | • STALAGMA n. a stalactite. |
| TAMBALAS | • tambalas n. Plural of tambala. • TAMBALA n. (Nyanja) a monetary unit of Malawi. |
| TAMPALAS | • TAMPALA n. an annual herb. |