Meaning & History. From an English surname which was derived from the given name GERALD or GERARD. A famous bearer of the surname was Pat Garrett (1850-1908), the sheriff who shot Billy the Kid.
Definition of avocational. 1  1 : of or relating to an avocation an avocational interest in sports. 2  2 : being such by avocation an avocational musician.
biÂ·oÂ·aÂ·vailÂ·aÂ·bilÂ·iÂ·ty. (bÄ«â²Å-É-vÄâ²lÉ-bÄ­lâ²Ä­-tÄ) n. The degree to which or rate at which a drug or other substance is absorbed or becomes available at the site of physiological activity after administration. biâ²oÂ·aÂ·vailâ²aÂ·ble (-lÉ-bÉl) adj.