| a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison. |
| an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle. |
let1 (lɛt) ![]() | |
| —vb , lets, letting, let | |
| 1. | to permit; allow: she lets him roam around |
| 2. | (imperative or dependent imperative) |
| a. used as an auxiliary to express a request, proposal, or command, or to convey a warning or threat: let's get on; just let me catch you here again! | |
| b. (in mathematical or philosophical discourse) used as an auxiliary to express an assumption or hypothesis: let "a" equal "b" | |
| c. used as an auxiliary to express resigned acceptance of the inevitable: let the worst happen | |
| 3. | a. to allow the occupation of (accommodation) in return for rent |
| b. to assign (a contract for work) | |
| 4. | to allow or cause the movement of (something) in a specified direction: to let air out of a tyre |
| 5. | informal (Irish) to utter: to let a cry |
| 6. | let alone |
| a. (conjunction) much less; not to mention: I can't afford wine, let alone champagne | |
| b. let be, leave alone, leave be to refrain from annoying or interfering with: let the poor cat alone | |
| 7. | let go See go |
| 8. | let loose |
| a. to set free | |
| b. informal to make (a sound or remark) suddenly: he let loose a hollow laugh | |
| c. informal to discharge (rounds) from a gun or guns: they let loose a couple of rounds of ammunition | |
| —n | |
| 9. | (Brit) the act of letting property or accommodation: the majority of new lets are covered by the rent regulations |
| [Old English lǣtan to permit; related to Gothic lētan, German lassen] | |
| let out | |
| —vb | |
| 1. | to give vent to; emit: to let out a howl |
| 2. | to allow to go or run free; release |
| 3. | (may take a clause as object) to reveal (a secret) |
| 4. | to make available to tenants, hirers, or contractors |
| 5. | to permit to flow out: to let air out of the tyres |
| 6. | to make (a garment) larger, as by unpicking (the seams) and sewing nearer the outer edge |
| —n | |
| 7. | a chance to escape |
| LET linear energy transfer |
let out
Allow to get out; also see get out of.
Make known, reveal, as in I thought it was a secret
who let it out? [First half of 1800s] Also see let the cat out of the bag.
Come to a close, end, as in What time does school let out? [Late 1800s]
Increase the size of a garment, as in May's coat needs to be let out across the shoulders. This usage refers to opening some of the seams. [Late 1700s]