frontal sinus n.
A hollow formed on either side in the lower part of the squama of the frontal bone, communicating by the ethmoidal infundibulum with the middle meatus of the nasal cavity of the same side.
- Frontal sulcus
frontal sulcus n.
- Frontal suture
frontal suture n. The suture that lies between the two halves of the frontal bone of a child’s skull and is usually obliterated by about the sixth year.
- Front and center
adverb phrase To the position of maximum prominence: Because of political instability and a lack of moral leadership, race has once again moved front and center in the American mind [1940s+ fr armed forces; fr the position in front of a military formation where a singled-out soldier presents himself or herself] In the most prominent […]
noun, British. 1. (used with a singular verb) (in the House of Commons) either of two seats near the Speaker, on which the leaders of the major parties sit. 2. (used with a singular or plural verb) the leaders who occupy a front bench. noun 1. (Brit) 2. the leadership of the government or opposition […]