| SIR | a warning signal that is a loud wailing sound |
|---|---|
| SIR | a woman who is considered to be dangerously seductive |
| SIR | a sea nymph (part woman and part bird) supposed to lure sailors to destruction on the rocks where the nymphs lived |
| SIR | manatees |
| SIR | any of two families of large herbivorous aquatic mammals with paddle-shaped tails and flipper-like forelimbs and no hind limbs |
| SIR | any of two families of large herbivorous aquatic mammals with paddle-shaped tails and flipper-like forelimbs and no hind limbs |
| SIR | sirens |
| SIR | sudden prostration due to exposure to the sun or excessive heat |
| SIR | large spreading Old World tree having large leaves and globose clusters of greenish-yellow flowers and long seed pods that clatter in the wind |
| SIR | large spreading Old World tree having large leaves and globose clusters of greenish-yellow flowers and long seed pods that clatter in the wind |
| SIR | the brightest star in the sky |
| SIR | the portion of the loin (especially of beef) just in front of the rump |