air sac

Definition of air sac

1 : one of the air-filled spaces in the body of a bird connected with the air passages of the lungs

2 : alveolus sense 1b

3 : a thin-walled dilation of a trachea occurring in many insects

Examples of air sac in a Sentence

Recent Examples on the Web As Mayo Clinic states, double pneumonia is an infection that inflames the air sacs in both lungs. — Kayla Keegan, Good Housekeeping, "'The View' Star Meghan McCain LOST It After Whoopi Goldberg Returned to Give a Health Update," 14 Mar. 2019 As Mayo Clinic states, double pneumonia is an infection that inflames the air sacs in both lungs. — Kayla Keegan, Good Housekeeping, "'The View' Star Meghan McCain LOST It After Whoopi Goldberg Returned to Give a Health Update," 14 Mar. 2019 As Mayo Clinic states, double pneumonia is an infection that inflames the air sacs in both lungs. — Kayla Keegan, Good Housekeeping, "'The View' Star Meghan McCain LOST It After Whoopi Goldberg Returned to Give a Health Update," 14 Mar. 2019 As Mayo Clinic states, double pneumonia is an infection that inflames the air sacs in both lungs. — Kayla Keegan, Good Housekeeping, "'The View' Star Meghan McCain LOST It After Whoopi Goldberg Returned to Give a Health Update," 14 Mar. 2019 As Mayo Clinic states, double pneumonia is an infection that inflames the air sacs in both lungs. — Kayla Keegan, Good Housekeeping, "'The View' Star Meghan McCain LOST It After Whoopi Goldberg Returned to Give a Health Update," 14 Mar. 2019 As Mayo Clinic states, double pneumonia is an infection that inflames the air sacs in both lungs. — Kayla Keegan, Good Housekeeping, "'The View' Star Meghan McCain LOST It After Whoopi Goldberg Returned to Give a Health Update," 14 Mar. 2019 As Mayo Clinic states, double pneumonia is an infection that inflames the air sacs in both lungs. — Kayla Keegan, Good Housekeeping, "'The View' Star Meghan McCain LOST It After Whoopi Goldberg Returned to Give a Health Update," 14 Mar. 2019 As Mayo Clinic states, double pneumonia is an infection that inflames the air sacs in both lungs. — Kayla Keegan, Good Housekeeping, "'The View' Star Meghan McCain LOST It After Whoopi Goldberg Returned to Give a Health Update," 14 Mar. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'air sac.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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Dictionary Entries near air sac

air-sac disease

airs and graces

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Time Traveler for air sac

The first known use of air sac was circa 1805

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